Home / 947,764.60-1,418,882.10-920,116.60

Finding the Fourth Proportional to 947,764.60, 1,418,882.10 and 920,116.60

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Solution

The fourth proportional to 947,764.60, 1,418,882.10 and 920,116.60 is: 1,377,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,764.60 : 1,418,882.10 = 920,116.60 : x
  2. Step 2: Convert to fraction form
    947,764.60/1,418,882.10 = 920,116.60/x
  3. Step 3: Cross multiply
    947,764.60x = 1,418,882.10 × 920,116.60
  4. Step 4: Simplify right side
    947,764.60x = 1,305,536,973,652.86
  5. Step 5: Solve for x
    x = 1,305,536,973,652.86/947,764.60
  6. Step 6: Final answer
    x = 1,377,490.75

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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.