Home / 1,258,596.57-1,886,395.55-725,012.31

Finding the Fourth Proportional to 1,258,596.57, 1,886,395.55 and 725,012.31

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Solution

The fourth proportional to 1,258,596.57, 1,886,395.55 and 725,012.31 is: 1,086,654.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,596.57 : 1,886,395.55 = 725,012.31 : x
  2. Step 2: Convert to fraction form
    1,258,596.57/1,886,395.55 = 725,012.31/x
  3. Step 3: Cross multiply
    1,258,596.57x = 1,886,395.55 × 725,012.31
  4. Step 4: Simplify right side
    1,258,596.57x = 1,367,659,991,654.16
  5. Step 5: Solve for x
    x = 1,367,659,991,654.16/1,258,596.57
  6. Step 6: Final answer
    x = 1,086,654.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.