Home / 1,005,748.38-1,508,475.06-406,696.32

Finding the Fourth Proportional to 1,005,748.38, 1,508,475.06 and 406,696.32

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Solution

The fourth proportional to 1,005,748.38, 1,508,475.06 and 406,696.32 is: 609,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,748.38 : 1,508,475.06 = 406,696.32 : x
  2. Step 2: Convert to fraction form
    1,005,748.38/1,508,475.06 = 406,696.32/x
  3. Step 3: Cross multiply
    1,005,748.38x = 1,508,475.06 × 406,696.32
  4. Step 4: Simplify right side
    1,005,748.38x = 613,491,255,713.78
  5. Step 5: Solve for x
    x = 613,491,255,713.78/1,005,748.38
  6. Step 6: Final answer
    x = 609,984.83

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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.