Home / 859,758.12-1,287,955.56-708,172.82

Finding the Fourth Proportional to 859,758.12, 1,287,955.56 and 708,172.82

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Solution

The fourth proportional to 859,758.12, 1,287,955.56 and 708,172.82 is: 1,060,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,758.12 : 1,287,955.56 = 708,172.82 : x
  2. Step 2: Convert to fraction form
    859,758.12/1,287,955.56 = 708,172.82/x
  3. Step 3: Cross multiply
    859,758.12x = 1,287,955.56 × 708,172.82
  4. Step 4: Simplify right side
    859,758.12x = 912,095,120,959.88
  5. Step 5: Solve for x
    x = 912,095,120,959.88/859,758.12
  6. Step 6: Final answer
    x = 1,060,874.10

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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.