Home / 1,040,388.10-1,560,193.35-723,904.90

Finding the Fourth Proportional to 1,040,388.10, 1,560,193.35 and 723,904.90

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Solution

The fourth proportional to 1,040,388.10, 1,560,193.35 and 723,904.90 is: 1,085,586.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,388.10 : 1,560,193.35 = 723,904.90 : x
  2. Step 2: Convert to fraction form
    1,040,388.10/1,560,193.35 = 723,904.90/x
  3. Step 3: Cross multiply
    1,040,388.10x = 1,560,193.35 × 723,904.90
  4. Step 4: Simplify right side
    1,040,388.10x = 1,129,431,611,012.42
  5. Step 5: Solve for x
    x = 1,129,431,611,012.42/1,040,388.10
  6. Step 6: Final answer
    x = 1,085,586.82

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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.