Home / 927,349.40-1,389,711.90-814,500.20

Finding the Fourth Proportional to 927,349.40, 1,389,711.90 and 814,500.20

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Solution

The fourth proportional to 927,349.40, 1,389,711.90 and 814,500.20 is: 1,220,597.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,349.40 : 1,389,711.90 = 814,500.20 : x
  2. Step 2: Convert to fraction form
    927,349.40/1,389,711.90 = 814,500.20/x
  3. Step 3: Cross multiply
    927,349.40x = 1,389,711.90 × 814,500.20
  4. Step 4: Simplify right side
    927,349.40x = 1,131,920,620,492.38
  5. Step 5: Solve for x
    x = 1,131,920,620,492.38/927,349.40
  6. Step 6: Final answer
    x = 1,220,597.78

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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.