Home / 1,072,959.20-1,609,438.80-408,024.80

Finding the Fourth Proportional to 1,072,959.20, 1,609,438.80 and 408,024.80

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Solution

The fourth proportional to 1,072,959.20, 1,609,438.80 and 408,024.80 is: 612,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,959.20 : 1,609,438.80 = 408,024.80 : x
  2. Step 2: Convert to fraction form
    1,072,959.20/1,609,438.80 = 408,024.80/x
  3. Step 3: Cross multiply
    1,072,959.20x = 1,609,438.80 × 408,024.80
  4. Step 4: Simplify right side
    1,072,959.20x = 656,690,944,482.24
  5. Step 5: Solve for x
    x = 656,690,944,482.24/1,072,959.20
  6. Step 6: Final answer
    x = 612,037.20

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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.