Home / 1,367,527.32-1,887,177.42-755,721.36

Finding the Fourth Proportional to 1,367,527.32, 1,887,177.42 and 755,721.36

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Solution

The fourth proportional to 1,367,527.32, 1,887,177.42 and 755,721.36 is: 1,042,889.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,527.32 : 1,887,177.42 = 755,721.36 : x
  2. Step 2: Convert to fraction form
    1,367,527.32/1,887,177.42 = 755,721.36/x
  3. Step 3: Cross multiply
    1,367,527.32x = 1,887,177.42 × 755,721.36
  4. Step 4: Simplify right side
    1,367,527.32x = 1,426,180,286,403.69
  5. Step 5: Solve for x
    x = 1,426,180,286,403.69/1,367,527.32
  6. Step 6: Final answer
    x = 1,042,889.79

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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.