Home / 1,359,474.75-1,876,032.20-747,625.61

Finding the Fourth Proportional to 1,359,474.75, 1,876,032.20 and 747,625.61

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Solution

The fourth proportional to 1,359,474.75, 1,876,032.20 and 747,625.61 is: 1,031,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,474.75 : 1,876,032.20 = 747,625.61 : x
  2. Step 2: Convert to fraction form
    1,359,474.75/1,876,032.20 = 747,625.61/x
  3. Step 3: Cross multiply
    1,359,474.75x = 1,876,032.20 × 747,625.61
  4. Step 4: Simplify right side
    1,359,474.75x = 1,402,569,717,904.64
  5. Step 5: Solve for x
    x = 1,402,569,717,904.64/1,359,474.75
  6. Step 6: Final answer
    x = 1,031,699.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.