Home / 1,377,679.30-2,062,832.55-876,328.90

Finding the Fourth Proportional to 1,377,679.30, 2,062,832.55 and 876,328.90

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Solution

The fourth proportional to 1,377,679.30, 2,062,832.55 and 876,328.90 is: 1,312,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,679.30 : 2,062,832.55 = 876,328.90 : x
  2. Step 2: Convert to fraction form
    1,377,679.30/2,062,832.55 = 876,328.90/x
  3. Step 3: Cross multiply
    1,377,679.30x = 2,062,832.55 × 876,328.90
  4. Step 4: Simplify right side
    1,377,679.30x = 1,807,719,779,425.70
  5. Step 5: Solve for x
    x = 1,807,719,779,425.70/1,377,679.30
  6. Step 6: Final answer
    x = 1,312,148.47

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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.