Home / 998,916.24-1,377,326.52-807,337.20

Finding the Fourth Proportional to 998,916.24, 1,377,326.52 and 807,337.20

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Solution

The fourth proportional to 998,916.24, 1,377,326.52 and 807,337.20 is: 1,113,173.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,916.24 : 1,377,326.52 = 807,337.20 : x
  2. Step 2: Convert to fraction form
    998,916.24/1,377,326.52 = 807,337.20/x
  3. Step 3: Cross multiply
    998,916.24x = 1,377,326.52 × 807,337.20
  4. Step 4: Simplify right side
    998,916.24x = 1,111,966,936,142.54
  5. Step 5: Solve for x
    x = 1,111,966,936,142.54/998,916.24
  6. Step 6: Final answer
    x = 1,113,173.35

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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.