Home / 1,512,082.80-2,268,124.20-847,148.40

Finding the Fourth Proportional to 1,512,082.80, 2,268,124.20 and 847,148.40

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Solution

The fourth proportional to 1,512,082.80, 2,268,124.20 and 847,148.40 is: 1,270,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,082.80 : 2,268,124.20 = 847,148.40 : x
  2. Step 2: Convert to fraction form
    1,512,082.80/2,268,124.20 = 847,148.40/x
  3. Step 3: Cross multiply
    1,512,082.80x = 2,268,124.20 × 847,148.40
  4. Step 4: Simplify right side
    1,512,082.80x = 1,921,437,787,031.28
  5. Step 5: Solve for x
    x = 1,921,437,787,031.28/1,512,082.80
  6. Step 6: Final answer
    x = 1,270,722.60

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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.