Home / 1,011,640.56-1,517,562.98-328,498.84

Finding the Fourth Proportional to 1,011,640.56, 1,517,562.98 and 328,498.84

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Solution

The fourth proportional to 1,011,640.56, 1,517,562.98 and 328,498.84 is: 492,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,640.56 : 1,517,562.98 = 328,498.84 : x
  2. Step 2: Convert to fraction form
    1,011,640.56/1,517,562.98 = 328,498.84/x
  3. Step 3: Cross multiply
    1,011,640.56x = 1,517,562.98 × 328,498.84
  4. Step 4: Simplify right side
    1,011,640.56x = 498,517,678,556.94
  5. Step 5: Solve for x
    x = 498,517,678,556.94/1,011,640.56
  6. Step 6: Final answer
    x = 492,781.43

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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.