Home / 1,000,357.68-1,500,082.68-431,469.96

Finding the Fourth Proportional to 1,000,357.68, 1,500,082.68 and 431,469.96

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Solution

The fourth proportional to 1,000,357.68, 1,500,082.68 and 431,469.96 is: 647,009.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,357.68 : 1,500,082.68 = 431,469.96 : x
  2. Step 2: Convert to fraction form
    1,000,357.68/1,500,082.68 = 431,469.96/x
  3. Step 3: Cross multiply
    1,000,357.68x = 1,500,082.68 × 431,469.96
  4. Step 4: Simplify right side
    1,000,357.68x = 647,240,613,936.29
  5. Step 5: Solve for x
    x = 647,240,613,936.29/1,000,357.68
  6. Step 6: Final answer
    x = 647,009.19

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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.