Home / 918,092.20-1,377,138.30-669,260.20

Finding the Fourth Proportional to 918,092.20, 1,377,138.30 and 669,260.20

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Solution

The fourth proportional to 918,092.20, 1,377,138.30 and 669,260.20 is: 1,003,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,092.20 : 1,377,138.30 = 669,260.20 : x
  2. Step 2: Convert to fraction form
    918,092.20/1,377,138.30 = 669,260.20/x
  3. Step 3: Cross multiply
    918,092.20x = 1,377,138.30 × 669,260.20
  4. Step 4: Simplify right side
    918,092.20x = 921,663,854,085.66
  5. Step 5: Solve for x
    x = 921,663,854,085.66/918,092.20
  6. Step 6: Final answer
    x = 1,003,890.30

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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.