Home / 1,330,498.10-1,995,747.15-656,902.10

Finding the Fourth Proportional to 1,330,498.10, 1,995,747.15 and 656,902.10

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Solution

The fourth proportional to 1,330,498.10, 1,995,747.15 and 656,902.10 is: 985,353.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,498.10 : 1,995,747.15 = 656,902.10 : x
  2. Step 2: Convert to fraction form
    1,330,498.10/1,995,747.15 = 656,902.10/x
  3. Step 3: Cross multiply
    1,330,498.10x = 1,995,747.15 × 656,902.10
  4. Step 4: Simplify right side
    1,330,498.10x = 1,311,010,493,904.01
  5. Step 5: Solve for x
    x = 1,311,010,493,904.01/1,330,498.10
  6. Step 6: Final answer
    x = 985,353.15

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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.