Home / 972,221.60-1,458,332.40-616,080.80

Finding the Fourth Proportional to 972,221.60, 1,458,332.40 and 616,080.80

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Solution

The fourth proportional to 972,221.60, 1,458,332.40 and 616,080.80 is: 924,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,221.60 : 1,458,332.40 = 616,080.80 : x
  2. Step 2: Convert to fraction form
    972,221.60/1,458,332.40 = 616,080.80/x
  3. Step 3: Cross multiply
    972,221.60x = 1,458,332.40 × 616,080.80
  4. Step 4: Simplify right side
    972,221.60x = 898,450,591,657.92
  5. Step 5: Solve for x
    x = 898,450,591,657.92/972,221.60
  6. Step 6: Final answer
    x = 924,121.20

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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.