Home / 1,508,865.10-2,082,248.60-820,551.75

Finding the Fourth Proportional to 1,508,865.10, 2,082,248.60 and 820,551.75

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Solution

The fourth proportional to 1,508,865.10, 2,082,248.60 and 820,551.75 is: 1,132,369.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,865.10 : 2,082,248.60 = 820,551.75 : x
  2. Step 2: Convert to fraction form
    1,508,865.10/2,082,248.60 = 820,551.75/x
  3. Step 3: Cross multiply
    1,508,865.10x = 2,082,248.60 × 820,551.75
  4. Step 4: Simplify right side
    1,508,865.10x = 1,708,592,720,753.86
  5. Step 5: Solve for x
    x = 1,708,592,720,753.86/1,508,865.10
  6. Step 6: Final answer
    x = 1,132,369.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.