Home / 865,983.20-1,295,475.60-748,954.40

Finding the Fourth Proportional to 865,983.20, 1,295,475.60 and 748,954.40

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Solution

The fourth proportional to 865,983.20, 1,295,475.60 and 748,954.40 is: 1,120,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,983.20 : 1,295,475.60 = 748,954.40 : x
  2. Step 2: Convert to fraction form
    865,983.20/1,295,475.60 = 748,954.40/x
  3. Step 3: Cross multiply
    865,983.20x = 1,295,475.60 × 748,954.40
  4. Step 4: Simplify right side
    865,983.20x = 970,252,150,712.64
  5. Step 5: Solve for x
    x = 970,252,150,712.64/865,983.20
  6. Step 6: Final answer
    x = 1,120,405.28

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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.