Home / 1,512,445.60-2,264,002.80-879,479.20

Finding the Fourth Proportional to 1,512,445.60, 2,264,002.80 and 879,479.20

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Solution

The fourth proportional to 1,512,445.60, 2,264,002.80 and 879,479.20 is: 1,316,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,445.60 : 2,264,002.80 = 879,479.20 : x
  2. Step 2: Convert to fraction form
    1,512,445.60/2,264,002.80 = 879,479.20/x
  3. Step 3: Cross multiply
    1,512,445.60x = 2,264,002.80 × 879,479.20
  4. Step 4: Simplify right side
    1,512,445.60x = 1,991,143,371,341.76
  5. Step 5: Solve for x
    x = 1,991,143,371,341.76/1,512,445.60
  6. Step 6: Final answer
    x = 1,316,505.78

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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.