Home / 888,001.74-1,225,587.12-660,072.60

Finding the Fourth Proportional to 888,001.74, 1,225,587.12 and 660,072.60

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Solution

The fourth proportional to 888,001.74, 1,225,587.12 and 660,072.60 is: 911,007.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,001.74 : 1,225,587.12 = 660,072.60 : x
  2. Step 2: Convert to fraction form
    888,001.74/1,225,587.12 = 660,072.60/x
  3. Step 3: Cross multiply
    888,001.74x = 1,225,587.12 × 660,072.60
  4. Step 4: Simplify right side
    888,001.74x = 808,976,476,824.91
  5. Step 5: Solve for x
    x = 808,976,476,824.91/888,001.74
  6. Step 6: Final answer
    x = 911,007.76

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1.5x scale

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.