Home / 1,251,003.72-1,726,366.39-707,120.43

Finding the Fourth Proportional to 1,251,003.72, 1,726,366.39 and 707,120.43

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Solution

The fourth proportional to 1,251,003.72, 1,726,366.39 and 707,120.43 is: 975,815.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,003.72 : 1,726,366.39 = 707,120.43 : x
  2. Step 2: Convert to fraction form
    1,251,003.72/1,726,366.39 = 707,120.43/x
  3. Step 3: Cross multiply
    1,251,003.72x = 1,726,366.39 × 707,120.43
  4. Step 4: Simplify right side
    1,251,003.72x = 1,220,748,947,492.26
  5. Step 5: Solve for x
    x = 1,220,748,947,492.26/1,251,003.72
  6. Step 6: Final answer
    x = 975,815.61

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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.