Home / 1,520,256.20-2,278,541.10-677,913.80

Finding the Fourth Proportional to 1,520,256.20, 2,278,541.10 and 677,913.80

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Solution

The fourth proportional to 1,520,256.20, 2,278,541.10 and 677,913.80 is: 1,016,048.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,256.20 : 2,278,541.10 = 677,913.80 : x
  2. Step 2: Convert to fraction form
    1,520,256.20/2,278,541.10 = 677,913.80/x
  3. Step 3: Cross multiply
    1,520,256.20x = 2,278,541.10 × 677,913.80
  4. Step 4: Simplify right side
    1,520,256.20x = 1,544,654,455,557.18
  5. Step 5: Solve for x
    x = 1,544,654,455,557.18/1,520,256.20
  6. Step 6: Final answer
    x = 1,016,048.78

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1.5x scale

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.