Home / 1,204,515.07-1,662,233.20-660,655.33

Finding the Fourth Proportional to 1,204,515.07, 1,662,233.20 and 660,655.33

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Solution

The fourth proportional to 1,204,515.07, 1,662,233.20 and 660,655.33 is: 911,705.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,515.07 : 1,662,233.20 = 660,655.33 : x
  2. Step 2: Convert to fraction form
    1,204,515.07/1,662,233.20 = 660,655.33/x
  3. Step 3: Cross multiply
    1,204,515.07x = 1,662,233.20 × 660,655.33
  4. Step 4: Simplify right side
    1,204,515.07x = 1,098,163,230,541.98
  5. Step 5: Solve for x
    x = 1,098,163,230,541.98/1,204,515.07
  6. Step 6: Final answer
    x = 911,705.68

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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.