Home / 915,374.80-1,373,062.20-853,166.80

Finding the Fourth Proportional to 915,374.80, 1,373,062.20 and 853,166.80

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Solution

The fourth proportional to 915,374.80, 1,373,062.20 and 853,166.80 is: 1,279,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,374.80 : 1,373,062.20 = 853,166.80 : x
  2. Step 2: Convert to fraction form
    915,374.80/1,373,062.20 = 853,166.80/x
  3. Step 3: Cross multiply
    915,374.80x = 1,373,062.20 × 853,166.80
  4. Step 4: Simplify right side
    915,374.80x = 1,171,451,083,374.96
  5. Step 5: Solve for x
    x = 1,171,451,083,374.96/915,374.80
  6. Step 6: Final answer
    x = 1,279,750.20

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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.