Home / 1,203,213.31-1,659,813.24-815,897.74

Finding the Fourth Proportional to 1,203,213.31, 1,659,813.24 and 815,897.74

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Solution

The fourth proportional to 1,203,213.31, 1,659,813.24 and 815,897.74 is: 1,125,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,213.31 : 1,659,813.24 = 815,897.74 : x
  2. Step 2: Convert to fraction form
    1,203,213.31/1,659,813.24 = 815,897.74/x
  3. Step 3: Cross multiply
    1,203,213.31x = 1,659,813.24 × 815,897.74
  4. Step 4: Simplify right side
    1,203,213.31x = 1,354,237,871,338.08
  5. Step 5: Solve for x
    x = 1,354,237,871,338.08/1,203,213.31
  6. Step 6: Final answer
    x = 1,125,517.70

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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.