Home / 924,749.10-1,387,123.65-738,125.10

Finding the Fourth Proportional to 924,749.10, 1,387,123.65 and 738,125.10

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Solution

The fourth proportional to 924,749.10, 1,387,123.65 and 738,125.10 is: 1,107,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,749.10 : 1,387,123.65 = 738,125.10 : x
  2. Step 2: Convert to fraction form
    924,749.10/1,387,123.65 = 738,125.10/x
  3. Step 3: Cross multiply
    924,749.10x = 1,387,123.65 × 738,125.10
  4. Step 4: Simplify right side
    924,749.10x = 1,023,870,782,868.61
  5. Step 5: Solve for x
    x = 1,023,870,782,868.61/924,749.10
  6. Step 6: Final answer
    x = 1,107,187.65

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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.