Home / 1,134,679.20-1,565,866.80-625,382.88

Finding the Fourth Proportional to 1,134,679.20, 1,565,866.80 and 625,382.88

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Solution

The fourth proportional to 1,134,679.20, 1,565,866.80 and 625,382.88 is: 863,033.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,679.20 : 1,565,866.80 = 625,382.88 : x
  2. Step 2: Convert to fraction form
    1,134,679.20/1,565,866.80 = 625,382.88/x
  3. Step 3: Cross multiply
    1,134,679.20x = 1,565,866.80 × 625,382.88
  4. Step 4: Simplify right side
    1,134,679.20x = 979,266,289,080.38
  5. Step 5: Solve for x
    x = 979,266,289,080.38/1,134,679.20
  6. Step 6: Final answer
    x = 863,033.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.