Home / 992,042.07-1,368,513.36-648,079.34

Finding the Fourth Proportional to 992,042.07, 1,368,513.36 and 648,079.34

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Solution

The fourth proportional to 992,042.07, 1,368,513.36 and 648,079.34 is: 894,019.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,042.07 : 1,368,513.36 = 648,079.34 : x
  2. Step 2: Convert to fraction form
    992,042.07/1,368,513.36 = 648,079.34/x
  3. Step 3: Cross multiply
    992,042.07x = 1,368,513.36 × 648,079.34
  4. Step 4: Simplify right side
    992,042.07x = 886,905,231,708.70
  5. Step 5: Solve for x
    x = 886,905,231,708.70/992,042.07
  6. Step 6: Final answer
    x = 894,019.78

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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.