Home / 1,201,254.30-1,801,881.45-402,270.30

Finding the Fourth Proportional to 1,201,254.30, 1,801,881.45 and 402,270.30

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Solution

The fourth proportional to 1,201,254.30, 1,801,881.45 and 402,270.30 is: 603,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,254.30 : 1,801,881.45 = 402,270.30 : x
  2. Step 2: Convert to fraction form
    1,201,254.30/1,801,881.45 = 402,270.30/x
  3. Step 3: Cross multiply
    1,201,254.30x = 1,801,881.45 × 402,270.30
  4. Step 4: Simplify right side
    1,201,254.30x = 724,843,391,455.94
  5. Step 5: Solve for x
    x = 724,843,391,455.94/1,201,254.30
  6. Step 6: Final answer
    x = 603,405.45

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.