Home / 989,345.98-1,363,431.51-792,889.31

Finding the Fourth Proportional to 989,345.98, 1,363,431.51 and 792,889.31

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Solution

The fourth proportional to 989,345.98, 1,363,431.51 and 792,889.31 is: 1,092,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,345.98 : 1,363,431.51 = 792,889.31 : x
  2. Step 2: Convert to fraction form
    989,345.98/1,363,431.51 = 792,889.31/x
  3. Step 3: Cross multiply
    989,345.98x = 1,363,431.51 × 792,889.31
  4. Step 4: Simplify right side
    989,345.98x = 1,081,050,269,196.16
  5. Step 5: Solve for x
    x = 1,081,050,269,196.16/989,345.98
  6. Step 6: Final answer
    x = 1,092,691.83

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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.