Home / 1,043,821.30-1,440,508.86-995,991.61

Finding the Fourth Proportional to 1,043,821.30, 1,440,508.86 and 995,991.61

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Solution

The fourth proportional to 1,043,821.30, 1,440,508.86 and 995,991.61 is: 1,374,502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,821.30 : 1,440,508.86 = 995,991.61 : x
  2. Step 2: Convert to fraction form
    1,043,821.30/1,440,508.86 = 995,991.61/x
  3. Step 3: Cross multiply
    1,043,821.30x = 1,440,508.86 × 995,991.61
  4. Step 4: Simplify right side
    1,043,821.30x = 1,434,734,733,710.71
  5. Step 5: Solve for x
    x = 1,434,734,733,710.71/1,043,821.30
  6. Step 6: Final answer
    x = 1,374,502.26

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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.