Home / 1,367,221.28-1,886,875.52-755,427.52

Finding the Fourth Proportional to 1,367,221.28, 1,886,875.52 and 755,427.52

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Solution

The fourth proportional to 1,367,221.28, 1,886,875.52 and 755,427.52 is: 1,042,550.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,367,221.28 : 1,886,875.52 = 755,427.52 : x
  2. Step 2: Convert to fraction form
    1,367,221.28/1,886,875.52 = 755,427.52/x
  3. Step 3: Cross multiply
    1,367,221.28x = 1,886,875.52 × 755,427.52
  4. Step 4: Simplify right side
    1,367,221.28x = 1,425,397,694,622.31
  5. Step 5: Solve for x
    x = 1,425,397,694,622.31/1,367,221.28
  6. Step 6: Final answer
    x = 1,042,550.84

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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.