Home / 1,002,153.10-1,503,411.90-328,046.80

Finding the Fourth Proportional to 1,002,153.10, 1,503,411.90 and 328,046.80

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Solution

The fourth proportional to 1,002,153.10, 1,503,411.90 and 328,046.80 is: 492,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,153.10 : 1,503,411.90 = 328,046.80 : x
  2. Step 2: Convert to fraction form
    1,002,153.10/1,503,411.90 = 328,046.80/x
  3. Step 3: Cross multiply
    1,002,153.10x = 1,503,411.90 × 328,046.80
  4. Step 4: Simplify right side
    1,002,153.10x = 493,189,462,876.92
  5. Step 5: Solve for x
    x = 493,189,462,876.92/1,002,153.10
  6. Step 6: Final answer
    x = 492,129.86

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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.