Home / 1,028,761.20-1,543,124.52-280,807.20

Finding the Fourth Proportional to 1,028,761.20, 1,543,124.52 and 280,807.20

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Solution

The fourth proportional to 1,028,761.20, 1,543,124.52 and 280,807.20 is: 421,206.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,761.20 : 1,543,124.52 = 280,807.20 : x
  2. Step 2: Convert to fraction form
    1,028,761.20/1,543,124.52 = 280,807.20/x
  3. Step 3: Cross multiply
    1,028,761.20x = 1,543,124.52 × 280,807.20
  4. Step 4: Simplify right side
    1,028,761.20x = 433,320,475,712.54
  5. Step 5: Solve for x
    x = 433,320,475,712.54/1,028,761.20
  6. Step 6: Final answer
    x = 421,206.08

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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.