Home / 1,253,486.16-1,729,917.96-709,717.77

Finding the Fourth Proportional to 1,253,486.16, 1,729,917.96 and 709,717.77

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Solution

The fourth proportional to 1,253,486.16, 1,729,917.96 and 709,717.77 is: 979,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,486.16 : 1,729,917.96 = 709,717.77 : x
  2. Step 2: Convert to fraction form
    1,253,486.16/1,729,917.96 = 709,717.77/x
  3. Step 3: Cross multiply
    1,253,486.16x = 1,729,917.96 × 709,717.77
  4. Step 4: Simplify right side
    1,253,486.16x = 1,227,753,516,854.15
  5. Step 5: Solve for x
    x = 1,227,753,516,854.15/1,253,486.16
  6. Step 6: Final answer
    x = 979,471.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.