Home / 1,170,212.67-1,614,925.45-660,915.05

Finding the Fourth Proportional to 1,170,212.67, 1,614,925.45 and 660,915.05

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Solution

The fourth proportional to 1,170,212.67, 1,614,925.45 and 660,915.05 is: 912,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,212.67 : 1,614,925.45 = 660,915.05 : x
  2. Step 2: Convert to fraction form
    1,170,212.67/1,614,925.45 = 660,915.05/x
  3. Step 3: Cross multiply
    1,170,212.67x = 1,614,925.45 × 660,915.05
  4. Step 4: Simplify right side
    1,170,212.67x = 1,067,328,527,284.54
  5. Step 5: Solve for x
    x = 1,067,328,527,284.54/1,170,212.67
  6. Step 6: Final answer
    x = 912,080.82

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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.