Home / 1,689,160.48-2,331,037.92-914,788.90

Finding the Fourth Proportional to 1,689,160.48, 2,331,037.92 and 914,788.90

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Solution

The fourth proportional to 1,689,160.48, 2,331,037.92 and 914,788.90 is: 1,262,406.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,160.48 : 2,331,037.92 = 914,788.90 : x
  2. Step 2: Convert to fraction form
    1,689,160.48/2,331,037.92 = 914,788.90/x
  3. Step 3: Cross multiply
    1,689,160.48x = 2,331,037.92 × 914,788.90
  4. Step 4: Simplify right side
    1,689,160.48x = 2,132,407,614,695.09
  5. Step 5: Solve for x
    x = 2,132,407,614,695.09/1,689,160.48
  6. Step 6: Final answer
    x = 1,262,406.76

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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.