Home / 1,029,174.18-1,543,687.12-319,183.77

Finding the Fourth Proportional to 1,029,174.18, 1,543,687.12 and 319,183.77

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Solution

The fourth proportional to 1,029,174.18, 1,543,687.12 and 319,183.77 is: 478,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,174.18 : 1,543,687.12 = 319,183.77 : x
  2. Step 2: Convert to fraction form
    1,029,174.18/1,543,687.12 = 319,183.77/x
  3. Step 3: Cross multiply
    1,029,174.18x = 1,543,687.12 × 319,183.77
  4. Step 4: Simplify right side
    1,029,174.18x = 492,719,866,029.58
  5. Step 5: Solve for x
    x = 492,719,866,029.58/1,029,174.18
  6. Step 6: Final answer
    x = 478,752.65

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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.