Home / 1,126,174.54-1,554,149.25-690,831.91

Finding the Fourth Proportional to 1,126,174.54, 1,554,149.25 and 690,831.91

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Solution

The fourth proportional to 1,126,174.54, 1,554,149.25 and 690,831.91 is: 953,365.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,174.54 : 1,554,149.25 = 690,831.91 : x
  2. Step 2: Convert to fraction form
    1,126,174.54/1,554,149.25 = 690,831.91/x
  3. Step 3: Cross multiply
    1,126,174.54x = 1,554,149.25 × 690,831.91
  4. Step 4: Simplify right side
    1,126,174.54x = 1,073,655,903,059.26
  5. Step 5: Solve for x
    x = 1,073,655,903,059.26/1,126,174.54
  6. Step 6: Final answer
    x = 953,365.46

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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.