Home / 914,315.40-1,370,160.90-672,542.55

Finding the Fourth Proportional to 914,315.40, 1,370,160.90 and 672,542.55

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Solution

The fourth proportional to 914,315.40, 1,370,160.90 and 672,542.55 is: 1,007,848.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,315.40 : 1,370,160.90 = 672,542.55 : x
  2. Step 2: Convert to fraction form
    914,315.40/1,370,160.90 = 672,542.55/x
  3. Step 3: Cross multiply
    914,315.40x = 1,370,160.90 × 672,542.55
  4. Step 4: Simplify right side
    914,315.40x = 921,491,505,596.30
  5. Step 5: Solve for x
    x = 921,491,505,596.30/914,315.40
  6. Step 6: Final answer
    x = 1,007,848.61

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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.