Home / 852,957.60-1,281,337.20-712,989.60

Finding the Fourth Proportional to 852,957.60, 1,281,337.20 and 712,989.60

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Solution

The fourth proportional to 852,957.60, 1,281,337.20 and 712,989.60 is: 1,071,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,957.60 : 1,281,337.20 = 712,989.60 : x
  2. Step 2: Convert to fraction form
    852,957.60/1,281,337.20 = 712,989.60/x
  3. Step 3: Cross multiply
    852,957.60x = 1,281,337.20 × 712,989.60
  4. Step 4: Simplify right side
    852,957.60x = 913,580,097,693.12
  5. Step 5: Solve for x
    x = 913,580,097,693.12/852,957.60
  6. Step 6: Final answer
    x = 1,071,073.28

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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.