Home / 1,061,233.80-1,461,713.08-815,749

Finding the Fourth Proportional to 1,061,233.80, 1,461,713.08 and 815,749

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Solution

The fourth proportional to 1,061,233.80, 1,461,713.08 and 815,749 is: 1,123,589.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,233.80 : 1,461,713.08 = 815,749 : x
  2. Step 2: Convert to fraction form
    1,061,233.80/1,461,713.08 = 815,749/x
  3. Step 3: Cross multiply
    1,061,233.80x = 1,461,713.08 × 815,749
  4. Step 4: Simplify right side
    1,061,233.80x = 1,192,390,983,296.92
  5. Step 5: Solve for x
    x = 1,192,390,983,296.92/1,061,233.80
  6. Step 6: Final answer
    x = 1,123,589.34

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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.