Home / 1,385,946.24-2,078,993.28-439,391.04

Finding the Fourth Proportional to 1,385,946.24, 2,078,993.28 and 439,391.04

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Solution

The fourth proportional to 1,385,946.24, 2,078,993.28 and 439,391.04 is: 659,110.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,946.24 : 2,078,993.28 = 439,391.04 : x
  2. Step 2: Convert to fraction form
    1,385,946.24/2,078,993.28 = 439,391.04/x
  3. Step 3: Cross multiply
    1,385,946.24x = 2,078,993.28 × 439,391.04
  4. Step 4: Simplify right side
    1,385,946.24x = 913,491,019,452.21
  5. Step 5: Solve for x
    x = 913,491,019,452.21/1,385,946.24
  6. Step 6: Final answer
    x = 659,110.00

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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.