Home / 1,015,538.85-1,402,005.15-907,850.97

Finding the Fourth Proportional to 1,015,538.85, 1,402,005.15 and 907,850.97

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Solution

The fourth proportional to 1,015,538.85, 1,402,005.15 and 907,850.97 is: 1,253,336.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,538.85 : 1,402,005.15 = 907,850.97 : x
  2. Step 2: Convert to fraction form
    1,015,538.85/1,402,005.15 = 907,850.97/x
  3. Step 3: Cross multiply
    1,015,538.85x = 1,402,005.15 × 907,850.97
  4. Step 4: Simplify right side
    1,015,538.85x = 1,272,811,735,372.50
  5. Step 5: Solve for x
    x = 1,272,811,735,372.50/1,015,538.85
  6. Step 6: Final answer
    x = 1,253,336.33

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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.