Home / 1,255,773.12-1,883,659.68-369,309.12

Finding the Fourth Proportional to 1,255,773.12, 1,883,659.68 and 369,309.12

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Solution

The fourth proportional to 1,255,773.12, 1,883,659.68 and 369,309.12 is: 553,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,773.12 : 1,883,659.68 = 369,309.12 : x
  2. Step 2: Convert to fraction form
    1,255,773.12/1,883,659.68 = 369,309.12/x
  3. Step 3: Cross multiply
    1,255,773.12x = 1,883,659.68 × 369,309.12
  4. Step 4: Simplify right side
    1,255,773.12x = 695,652,698,800.28
  5. Step 5: Solve for x
    x = 695,652,698,800.28/1,255,773.12
  6. Step 6: Final answer
    x = 553,963.68

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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.