Home / 1,148,175.32-1,722,650.40-508,391.72

Finding the Fourth Proportional to 1,148,175.32, 1,722,650.40 and 508,391.72

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Solution

The fourth proportional to 1,148,175.32, 1,722,650.40 and 508,391.72 is: 762,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,175.32 : 1,722,650.40 = 508,391.72 : x
  2. Step 2: Convert to fraction form
    1,148,175.32/1,722,650.40 = 508,391.72/x
  3. Step 3: Cross multiply
    1,148,175.32x = 1,722,650.40 × 508,391.72
  4. Step 4: Simplify right side
    1,148,175.32x = 875,781,199,814.69
  5. Step 5: Solve for x
    x = 875,781,199,814.69/1,148,175.32
  6. Step 6: Final answer
    x = 762,759.12

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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.