Home / 1,269,829.15-1,751,865.36-725,673

Finding the Fourth Proportional to 1,269,829.15, 1,751,865.36 and 725,673

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Solution

The fourth proportional to 1,269,829.15, 1,751,865.36 and 725,673 is: 1,001,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,829.15 : 1,751,865.36 = 725,673 : x
  2. Step 2: Convert to fraction form
    1,269,829.15/1,751,865.36 = 725,673/x
  3. Step 3: Cross multiply
    1,269,829.15x = 1,751,865.36 × 725,673
  4. Step 4: Simplify right side
    1,269,829.15x = 1,271,281,391,387.28
  5. Step 5: Solve for x
    x = 1,271,281,391,387.28/1,269,829.15
  6. Step 6: Final answer
    x = 1,001,143.65

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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.