Home / 1,002,125.40-1,503,042.30-292,079.40

Finding the Fourth Proportional to 1,002,125.40, 1,503,042.30 and 292,079.40

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Solution

The fourth proportional to 1,002,125.40, 1,503,042.30 and 292,079.40 is: 438,076.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,125.40 : 1,503,042.30 = 292,079.40 : x
  2. Step 2: Convert to fraction form
    1,002,125.40/1,503,042.30 = 292,079.40/x
  3. Step 3: Cross multiply
    1,002,125.40x = 1,503,042.30 × 292,079.40
  4. Step 4: Simplify right side
    1,002,125.40x = 439,007,693,158.62
  5. Step 5: Solve for x
    x = 439,007,693,158.62/1,002,125.40
  6. Step 6: Final answer
    x = 438,076.61

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1.5x scale

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.