Home / 1,207,135.52-1,665,108.88-716,772.64

Finding the Fourth Proportional to 1,207,135.52, 1,665,108.88 and 716,772.64

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Solution

The fourth proportional to 1,207,135.52, 1,665,108.88 and 716,772.64 is: 988,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,135.52 : 1,665,108.88 = 716,772.64 : x
  2. Step 2: Convert to fraction form
    1,207,135.52/1,665,108.88 = 716,772.64/x
  3. Step 3: Cross multiply
    1,207,135.52x = 1,665,108.88 × 716,772.64
  4. Step 4: Simplify right side
    1,207,135.52x = 1,193,504,487,805.04
  5. Step 5: Solve for x
    x = 1,193,504,487,805.04/1,207,135.52
  6. Step 6: Final answer
    x = 988,707.95

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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.