Home / 1,269,828.90-1,751,865.02-725,672.75

Finding the Fourth Proportional to 1,269,828.90, 1,751,865.02 and 725,672.75

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Solution

The fourth proportional to 1,269,828.90, 1,751,865.02 and 725,672.75 is: 1,001,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,828.90 : 1,751,865.02 = 725,672.75 : x
  2. Step 2: Convert to fraction form
    1,269,828.90/1,751,865.02 = 725,672.75/x
  3. Step 3: Cross multiply
    1,269,828.90x = 1,751,865.02 × 725,672.75
  4. Step 4: Simplify right side
    1,269,828.90x = 1,271,280,703,063.84
  5. Step 5: Solve for x
    x = 1,271,280,703,063.84/1,269,828.90
  6. Step 6: Final answer
    x = 1,001,143.31

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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.