Home / 1,370,358.80-1,890,947.19-758,414.33

Finding the Fourth Proportional to 1,370,358.80, 1,890,947.19 and 758,414.33

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Solution

The fourth proportional to 1,370,358.80, 1,890,947.19 and 758,414.33 is: 1,046,529.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,358.80 : 1,890,947.19 = 758,414.33 : x
  2. Step 2: Convert to fraction form
    1,370,358.80/1,890,947.19 = 758,414.33/x
  3. Step 3: Cross multiply
    1,370,358.80x = 1,890,947.19 × 758,414.33
  4. Step 4: Simplify right side
    1,370,358.80x = 1,434,121,446,169.23
  5. Step 5: Solve for x
    x = 1,434,121,446,169.23/1,370,358.80
  6. Step 6: Final answer
    x = 1,046,529.89

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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.