Home / 989,345.73-1,363,431.17-792,889.06

Finding the Fourth Proportional to 989,345.73, 1,363,431.17 and 792,889.06

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Solution

The fourth proportional to 989,345.73, 1,363,431.17 and 792,889.06 is: 1,092,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,345.73 : 1,363,431.17 = 792,889.06 : x
  2. Step 2: Convert to fraction form
    989,345.73/1,363,431.17 = 792,889.06/x
  3. Step 3: Cross multiply
    989,345.73x = 1,363,431.17 × 792,889.06
  4. Step 4: Simplify right side
    989,345.73x = 1,081,049,651,382.98
  5. Step 5: Solve for x
    x = 1,081,049,651,382.98/989,345.73
  6. Step 6: Final answer
    x = 1,092,691.48

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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.