Home / 1,104,126.28-1,656,255.12-430,082.44

Finding the Fourth Proportional to 1,104,126.28, 1,656,255.12 and 430,082.44

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Solution

The fourth proportional to 1,104,126.28, 1,656,255.12 and 430,082.44 is: 645,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,126.28 : 1,656,255.12 = 430,082.44 : x
  2. Step 2: Convert to fraction form
    1,104,126.28/1,656,255.12 = 430,082.44/x
  3. Step 3: Cross multiply
    1,104,126.28x = 1,656,255.12 × 430,082.44
  4. Step 4: Simplify right side
    1,104,126.28x = 712,326,243,272.09
  5. Step 5: Solve for x
    x = 712,326,243,272.09/1,104,126.28
  6. Step 6: Final answer
    x = 645,149.25

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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.