Home / 1,008,468.80-1,512,600.80-343,611.20

Finding the Fourth Proportional to 1,008,468.80, 1,512,600.80 and 343,611.20

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Solution

The fourth proportional to 1,008,468.80, 1,512,600.80 and 343,611.20 is: 515,381.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,468.80 : 1,512,600.80 = 343,611.20 : x
  2. Step 2: Convert to fraction form
    1,008,468.80/1,512,600.80 = 343,611.20/x
  3. Step 3: Cross multiply
    1,008,468.80x = 1,512,600.80 × 343,611.20
  4. Step 4: Simplify right side
    1,008,468.80x = 519,746,576,008.96
  5. Step 5: Solve for x
    x = 519,746,576,008.96/1,008,468.80
  6. Step 6: Final answer
    x = 515,381.91

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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.