Home / 1,325,350.80-1,988,026.20-328,078.80

Finding the Fourth Proportional to 1,325,350.80, 1,988,026.20 and 328,078.80

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Solution

The fourth proportional to 1,325,350.80, 1,988,026.20 and 328,078.80 is: 492,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,350.80 : 1,988,026.20 = 328,078.80 : x
  2. Step 2: Convert to fraction form
    1,325,350.80/1,988,026.20 = 328,078.80/x
  3. Step 3: Cross multiply
    1,325,350.80x = 1,988,026.20 × 328,078.80
  4. Step 4: Simplify right side
    1,325,350.80x = 652,229,250,064.56
  5. Step 5: Solve for x
    x = 652,229,250,064.56/1,325,350.80
  6. Step 6: Final answer
    x = 492,118.20

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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.