Home / 890,977.73-1,334,252.22-815,385.75

Finding the Fourth Proportional to 890,977.73, 1,334,252.22 and 815,385.75

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Solution

The fourth proportional to 890,977.73, 1,334,252.22 and 815,385.75 is: 1,221,052.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,977.73 : 1,334,252.22 = 815,385.75 : x
  2. Step 2: Convert to fraction form
    890,977.73/1,334,252.22 = 815,385.75/x
  3. Step 3: Cross multiply
    890,977.73x = 1,334,252.22 × 815,385.75
  4. Step 4: Simplify right side
    890,977.73x = 1,087,930,243,619.27
  5. Step 5: Solve for x
    x = 1,087,930,243,619.27/890,977.73
  6. Step 6: Final answer
    x = 1,221,052.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.