Home / 1,000,171.77-1,498,742.19-662,000.90

Finding the Fourth Proportional to 1,000,171.77, 1,498,742.19 and 662,000.90

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Solution

The fourth proportional to 1,000,171.77, 1,498,742.19 and 662,000.90 is: 991,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,171.77 : 1,498,742.19 = 662,000.90 : x
  2. Step 2: Convert to fraction form
    1,000,171.77/1,498,742.19 = 662,000.90/x
  3. Step 3: Cross multiply
    1,000,171.77x = 1,498,742.19 × 662,000.90
  4. Step 4: Simplify right side
    1,000,171.77x = 992,168,679,584.69
  5. Step 5: Solve for x
    x = 992,168,679,584.69/1,000,171.77
  6. Step 6: Final answer
    x = 991,998.29

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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.