Home / 878,503.20-1,317,754.80-873,254.40

Finding the Fourth Proportional to 878,503.20, 1,317,754.80 and 873,254.40

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Solution

The fourth proportional to 878,503.20, 1,317,754.80 and 873,254.40 is: 1,309,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,503.20 : 1,317,754.80 = 873,254.40 : x
  2. Step 2: Convert to fraction form
    878,503.20/1,317,754.80 = 873,254.40/x
  3. Step 3: Cross multiply
    878,503.20x = 1,317,754.80 × 873,254.40
  4. Step 4: Simplify right side
    878,503.20x = 1,150,735,177,221.12
  5. Step 5: Solve for x
    x = 1,150,735,177,221.12/878,503.20
  6. Step 6: Final answer
    x = 1,309,881.60

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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.