Home / 1,299,488.28-1,792,573.80-755,563.92

Finding the Fourth Proportional to 1,299,488.28, 1,792,573.80 and 755,563.92

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Solution

The fourth proportional to 1,299,488.28, 1,792,573.80 and 755,563.92 is: 1,042,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,488.28 : 1,792,573.80 = 755,563.92 : x
  2. Step 2: Convert to fraction form
    1,299,488.28/1,792,573.80 = 755,563.92/x
  3. Step 3: Cross multiply
    1,299,488.28x = 1,792,573.80 × 755,563.92
  4. Step 4: Simplify right side
    1,299,488.28x = 1,354,404,087,217.30
  5. Step 5: Solve for x
    x = 1,354,404,087,217.30/1,299,488.28
  6. Step 6: Final answer
    x = 1,042,259.56

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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.