Home / 1,029,068.28-1,543,766.04-318,949.38

Finding the Fourth Proportional to 1,029,068.28, 1,543,766.04 and 318,949.38

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Solution

The fourth proportional to 1,029,068.28, 1,543,766.04 and 318,949.38 is: 478,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,068.28 : 1,543,766.04 = 318,949.38 : x
  2. Step 2: Convert to fraction form
    1,029,068.28/1,543,766.04 = 318,949.38/x
  3. Step 3: Cross multiply
    1,029,068.28x = 1,543,766.04 × 318,949.38
  4. Step 4: Simplify right side
    1,029,068.28x = 492,383,221,323.06
  5. Step 5: Solve for x
    x = 492,383,221,323.06/1,029,068.28
  6. Step 6: Final answer
    x = 478,474.78

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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.