Home / 1,334,860-2,002,268.78-323,990.30

Finding the Fourth Proportional to 1,334,860, 2,002,268.78 and 323,990.30

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Solution

The fourth proportional to 1,334,860, 2,002,268.78 and 323,990.30 is: 485,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,860 : 2,002,268.78 = 323,990.30 : x
  2. Step 2: Convert to fraction form
    1,334,860/2,002,268.78 = 323,990.30/x
  3. Step 3: Cross multiply
    1,334,860x = 2,002,268.78 × 323,990.30
  4. Step 4: Simplify right side
    1,334,860x = 648,715,662,712.83
  5. Step 5: Solve for x
    x = 648,715,662,712.83/1,334,860
  6. Step 6: Final answer
    x = 485,980.30

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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.