Home / 916,517.60-1,374,776.40-902,520.80

Finding the Fourth Proportional to 916,517.60, 1,374,776.40 and 902,520.80

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Solution

The fourth proportional to 916,517.60, 1,374,776.40 and 902,520.80 is: 1,353,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,517.60 : 1,374,776.40 = 902,520.80 : x
  2. Step 2: Convert to fraction form
    916,517.60/1,374,776.40 = 902,520.80/x
  3. Step 3: Cross multiply
    916,517.60x = 1,374,776.40 × 902,520.80
  4. Step 4: Simplify right side
    916,517.60x = 1,240,764,296,349.12
  5. Step 5: Solve for x
    x = 1,240,764,296,349.12/916,517.60
  6. Step 6: Final answer
    x = 1,353,781.20

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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.