Home / 1,011,491.20-1,517,042.40-301,542.40

Finding the Fourth Proportional to 1,011,491.20, 1,517,042.40 and 301,542.40

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Solution

The fourth proportional to 1,011,491.20, 1,517,042.40 and 301,542.40 is: 452,255.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,491.20 : 1,517,042.40 = 301,542.40 : x
  2. Step 2: Convert to fraction form
    1,011,491.20/1,517,042.40 = 301,542.40/x
  3. Step 3: Cross multiply
    1,011,491.20x = 1,517,042.40 × 301,542.40
  4. Step 4: Simplify right side
    1,011,491.20x = 457,452,606,197.76
  5. Step 5: Solve for x
    x = 457,452,606,197.76/1,011,491.20
  6. Step 6: Final answer
    x = 452,255.65

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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.