Home / 859,754.12-1,287,949.56-708,168.83

Finding the Fourth Proportional to 859,754.12, 1,287,949.56 and 708,168.83

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Solution

The fourth proportional to 859,754.12, 1,287,949.56 and 708,168.83 is: 1,060,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,754.12 : 1,287,949.56 = 708,168.83 : x
  2. Step 2: Convert to fraction form
    859,754.12/1,287,949.56 = 708,168.83/x
  3. Step 3: Cross multiply
    859,754.12x = 1,287,949.56 × 708,168.83
  4. Step 4: Simplify right side
    859,754.12x = 912,085,726,564.47
  5. Step 5: Solve for x
    x = 912,085,726,564.47/859,754.12
  6. Step 6: Final answer
    x = 1,060,868.11

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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.