Home / 1,035,584.80-1,428,818.28-667,906.36

Finding the Fourth Proportional to 1,035,584.80, 1,428,818.28 and 667,906.36

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Solution

The fourth proportional to 1,035,584.80, 1,428,818.28 and 667,906.36 is: 921,524.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,584.80 : 1,428,818.28 = 667,906.36 : x
  2. Step 2: Convert to fraction form
    1,035,584.80/1,428,818.28 = 667,906.36/x
  3. Step 3: Cross multiply
    1,035,584.80x = 1,428,818.28 × 667,906.36
  4. Step 4: Simplify right side
    1,035,584.80x = 954,316,814,176.54
  5. Step 5: Solve for x
    x = 954,316,814,176.54/1,035,584.80
  6. Step 6: Final answer
    x = 921,524.55

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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.