Home / 1,358,727.60-2,037,832.20-412,129.20

Finding the Fourth Proportional to 1,358,727.60, 2,037,832.20 and 412,129.20

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Solution

The fourth proportional to 1,358,727.60, 2,037,832.20 and 412,129.20 is: 618,115.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,727.60 : 2,037,832.20 = 412,129.20 : x
  2. Step 2: Convert to fraction form
    1,358,727.60/2,037,832.20 = 412,129.20/x
  3. Step 3: Cross multiply
    1,358,727.60x = 2,037,832.20 × 412,129.20
  4. Step 4: Simplify right side
    1,358,727.60x = 839,850,154,320.24
  5. Step 5: Solve for x
    x = 839,850,154,320.24/1,358,727.60
  6. Step 6: Final answer
    x = 618,115.18

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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.