Home / 947,810.60-1,418,951.10-920,162.60

Finding the Fourth Proportional to 947,810.60, 1,418,951.10 and 920,162.60

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Solution

The fourth proportional to 947,810.60, 1,418,951.10 and 920,162.60 is: 1,377,559.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,810.60 : 1,418,951.10 = 920,162.60 : x
  2. Step 2: Convert to fraction form
    947,810.60/1,418,951.10 = 920,162.60/x
  3. Step 3: Cross multiply
    947,810.60x = 1,418,951.10 × 920,162.60
  4. Step 4: Simplify right side
    947,810.60x = 1,305,665,733,448.86
  5. Step 5: Solve for x
    x = 1,305,665,733,448.86/947,810.60
  6. Step 6: Final answer
    x = 1,377,559.75

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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.