Home / 1,268,751.52-1,750,869.03-725,053.60

Finding the Fourth Proportional to 1,268,751.52, 1,750,869.03 and 725,053.60

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Solution

The fourth proportional to 1,268,751.52, 1,750,869.03 and 725,053.60 is: 1,000,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,751.52 : 1,750,869.03 = 725,053.60 : x
  2. Step 2: Convert to fraction form
    1,268,751.52/1,750,869.03 = 725,053.60/x
  3. Step 3: Cross multiply
    1,268,751.52x = 1,750,869.03 × 725,053.60
  4. Step 4: Simplify right side
    1,268,751.52x = 1,269,473,893,330.01
  5. Step 5: Solve for x
    x = 1,269,473,893,330.01/1,268,751.52
  6. Step 6: Final answer
    x = 1,000,569.36

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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.