Home / 1,011,661.38-1,517,557.68-301,761.18

Finding the Fourth Proportional to 1,011,661.38, 1,517,557.68 and 301,761.18

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Solution

The fourth proportional to 1,011,661.38, 1,517,557.68 and 301,761.18 is: 452,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,661.38 : 1,517,557.68 = 301,761.18 : x
  2. Step 2: Convert to fraction form
    1,011,661.38/1,517,557.68 = 301,761.18/x
  3. Step 3: Cross multiply
    1,011,661.38x = 1,517,557.68 × 301,761.18
  4. Step 4: Simplify right side
    1,011,661.38x = 457,939,996,234.86
  5. Step 5: Solve for x
    x = 457,939,996,234.86/1,011,661.38
  6. Step 6: Final answer
    x = 452,661.34

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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.