Home / 1,298,286.06-1,791,671.31-725,389.26

Finding the Fourth Proportional to 1,298,286.06, 1,791,671.31 and 725,389.26

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Solution

The fourth proportional to 1,298,286.06, 1,791,671.31 and 725,389.26 is: 1,001,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,286.06 : 1,791,671.31 = 725,389.26 : x
  2. Step 2: Convert to fraction form
    1,298,286.06/1,791,671.31 = 725,389.26/x
  3. Step 3: Cross multiply
    1,298,286.06x = 1,791,671.31 × 725,389.26
  4. Step 4: Simplify right side
    1,298,286.06x = 1,299,659,125,724.13
  5. Step 5: Solve for x
    x = 1,299,659,125,724.13/1,298,286.06
  6. Step 6: Final answer
    x = 1,001,057.60

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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.