Home / 815,733.54-1,125,847.13-679,551.80

Finding the Fourth Proportional to 815,733.54, 1,125,847.13 and 679,551.80

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Solution

The fourth proportional to 815,733.54, 1,125,847.13 and 679,551.80 is: 937,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,733.54 : 1,125,847.13 = 679,551.80 : x
  2. Step 2: Convert to fraction form
    815,733.54/1,125,847.13 = 679,551.80/x
  3. Step 3: Cross multiply
    815,733.54x = 1,125,847.13 × 679,551.80
  4. Step 4: Simplify right side
    815,733.54x = 765,071,434,689.34
  5. Step 5: Solve for x
    x = 765,071,434,689.34/815,733.54
  6. Step 6: Final answer
    x = 937,893.81

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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.