Home / 1,317,239.28-1,817,651.07-744,168.78

Finding the Fourth Proportional to 1,317,239.28, 1,817,651.07 and 744,168.78

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Solution

The fourth proportional to 1,317,239.28, 1,817,651.07 and 744,168.78 is: 1,026,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,239.28 : 1,817,651.07 = 744,168.78 : x
  2. Step 2: Convert to fraction form
    1,317,239.28/1,817,651.07 = 744,168.78/x
  3. Step 3: Cross multiply
    1,317,239.28x = 1,817,651.07 × 744,168.78
  4. Step 4: Simplify right side
    1,317,239.28x = 1,352,639,179,227.59
  5. Step 5: Solve for x
    x = 1,352,639,179,227.59/1,317,239.28
  6. Step 6: Final answer
    x = 1,026,874.31

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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.