Home / 1,107,078.60-1,660,617.90-708,169.80

Finding the Fourth Proportional to 1,107,078.60, 1,660,617.90 and 708,169.80

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Solution

The fourth proportional to 1,107,078.60, 1,660,617.90 and 708,169.80 is: 1,062,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,078.60 : 1,660,617.90 = 708,169.80 : x
  2. Step 2: Convert to fraction form
    1,107,078.60/1,660,617.90 = 708,169.80/x
  3. Step 3: Cross multiply
    1,107,078.60x = 1,660,617.90 × 708,169.80
  4. Step 4: Simplify right side
    1,107,078.60x = 1,175,999,446,119.42
  5. Step 5: Solve for x
    x = 1,175,999,446,119.42/1,107,078.60
  6. Step 6: Final answer
    x = 1,062,254.70

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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.