Home / 989,348.07-1,363,434.39-792,891.41

Finding the Fourth Proportional to 989,348.07, 1,363,434.39 and 792,891.41

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Solution

The fourth proportional to 989,348.07, 1,363,434.39 and 792,891.41 is: 1,092,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,348.07 : 1,363,434.39 = 792,891.41 : x
  2. Step 2: Convert to fraction form
    989,348.07/1,363,434.39 = 792,891.41/x
  3. Step 3: Cross multiply
    989,348.07x = 1,363,434.39 × 792,891.41
  4. Step 4: Simplify right side
    989,348.07x = 1,081,055,409,112.42
  5. Step 5: Solve for x
    x = 1,081,055,409,112.42/989,348.07
  6. Step 6: Final answer
    x = 1,092,694.72

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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.