Home / 865,984.20-1,295,477.10-748,955.40

Finding the Fourth Proportional to 865,984.20, 1,295,477.10 and 748,955.40

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Solution

The fourth proportional to 865,984.20, 1,295,477.10 and 748,955.40 is: 1,120,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,984.20 : 1,295,477.10 = 748,955.40 : x
  2. Step 2: Convert to fraction form
    865,984.20/1,295,477.10 = 748,955.40/x
  3. Step 3: Cross multiply
    865,984.20x = 1,295,477.10 × 748,955.40
  4. Step 4: Simplify right side
    865,984.20x = 970,254,569,621.34
  5. Step 5: Solve for x
    x = 970,254,569,621.34/865,984.20
  6. Step 6: Final answer
    x = 1,120,406.78

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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.