Home / 1,201,252.30-1,801,878.45-402,268.30

Finding the Fourth Proportional to 1,201,252.30, 1,801,878.45 and 402,268.30

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Solution

The fourth proportional to 1,201,252.30, 1,801,878.45 and 402,268.30 is: 603,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,252.30 : 1,801,878.45 = 402,268.30 : x
  2. Step 2: Convert to fraction form
    1,201,252.30/1,801,878.45 = 402,268.30/x
  3. Step 3: Cross multiply
    1,201,252.30x = 1,801,878.45 × 402,268.30
  4. Step 4: Simplify right side
    1,201,252.30x = 724,838,580,888.14
  5. Step 5: Solve for x
    x = 724,838,580,888.14/1,201,252.30
  6. Step 6: Final answer
    x = 603,402.45

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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.