Home / 1,144,144.80-1,716,217.20-879,242.40

Finding the Fourth Proportional to 1,144,144.80, 1,716,217.20 and 879,242.40

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Solution

The fourth proportional to 1,144,144.80, 1,716,217.20 and 879,242.40 is: 1,318,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,144.80 : 1,716,217.20 = 879,242.40 : x
  2. Step 2: Convert to fraction form
    1,144,144.80/1,716,217.20 = 879,242.40/x
  3. Step 3: Cross multiply
    1,144,144.80x = 1,716,217.20 × 879,242.40
  4. Step 4: Simplify right side
    1,144,144.80x = 1,508,970,929,849.28
  5. Step 5: Solve for x
    x = 1,508,970,929,849.28/1,144,144.80
  6. Step 6: Final answer
    x = 1,318,863.60

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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.