Home / 1,109,215.20-1,664,511.61-710,142.38

Finding the Fourth Proportional to 1,109,215.20, 1,664,511.61 and 710,142.38

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Solution

The fourth proportional to 1,109,215.20, 1,664,511.61 and 710,142.38 is: 1,065,654.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,215.20 : 1,664,511.61 = 710,142.38 : x
  2. Step 2: Convert to fraction form
    1,109,215.20/1,664,511.61 = 710,142.38/x
  3. Step 3: Cross multiply
    1,109,215.20x = 1,664,511.61 × 710,142.38
  4. Step 4: Simplify right side
    1,109,215.20x = 1,182,040,236,263.03
  5. Step 5: Solve for x
    x = 1,182,040,236,263.03/1,109,215.20
  6. Step 6: Final answer
    x = 1,065,654.56

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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.