Home / 1,316,680.71-1,817,167.14-743,757.78

Finding the Fourth Proportional to 1,316,680.71, 1,817,167.14 and 743,757.78

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Solution

The fourth proportional to 1,316,680.71, 1,817,167.14 and 743,757.78 is: 1,026,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,680.71 : 1,817,167.14 = 743,757.78 : x
  2. Step 2: Convert to fraction form
    1,316,680.71/1,817,167.14 = 743,757.78/x
  3. Step 3: Cross multiply
    1,316,680.71x = 1,817,167.14 × 743,757.78
  4. Step 4: Simplify right side
    1,316,680.71x = 1,351,532,197,935.35
  5. Step 5: Solve for x
    x = 1,351,532,197,935.35/1,316,680.71
  6. Step 6: Final answer
    x = 1,026,469.21

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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.