Home / 1,012,498.20-1,519,136.10-996,557.40

Finding the Fourth Proportional to 1,012,498.20, 1,519,136.10 and 996,557.40

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Solution

The fourth proportional to 1,012,498.20, 1,519,136.10 and 996,557.40 is: 1,495,218.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,498.20 : 1,519,136.10 = 996,557.40 : x
  2. Step 2: Convert to fraction form
    1,012,498.20/1,519,136.10 = 996,557.40/x
  3. Step 3: Cross multiply
    1,012,498.20x = 1,519,136.10 × 996,557.40
  4. Step 4: Simplify right side
    1,012,498.20x = 1,513,906,322,062.14
  5. Step 5: Solve for x
    x = 1,513,906,322,062.14/1,012,498.20
  6. Step 6: Final answer
    x = 1,495,218.78

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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.