Home / 1,040,660.10-1,560,601.35-724,176.90

Finding the Fourth Proportional to 1,040,660.10, 1,560,601.35 and 724,176.90

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Solution

The fourth proportional to 1,040,660.10, 1,560,601.35 and 724,176.90 is: 1,085,994.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,660.10 : 1,560,601.35 = 724,176.90 : x
  2. Step 2: Convert to fraction form
    1,040,660.10/1,560,601.35 = 724,176.90/x
  3. Step 3: Cross multiply
    1,040,660.10x = 1,560,601.35 × 724,176.90
  4. Step 4: Simplify right side
    1,040,660.10x = 1,130,151,447,778.82
  5. Step 5: Solve for x
    x = 1,130,151,447,778.82/1,040,660.10
  6. Step 6: Final answer
    x = 1,085,994.79

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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.