Home / 1,376,939.12-2,063,932.04-665,989.16

Finding the Fourth Proportional to 1,376,939.12, 2,063,932.04 and 665,989.16

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Solution

The fourth proportional to 1,376,939.12, 2,063,932.04 and 665,989.16 is: 998,269.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,939.12 : 2,063,932.04 = 665,989.16 : x
  2. Step 2: Convert to fraction form
    1,376,939.12/2,063,932.04 = 665,989.16/x
  3. Step 3: Cross multiply
    1,376,939.12x = 2,063,932.04 × 665,989.16
  4. Step 4: Simplify right side
    1,376,939.12x = 1,374,556,356,962.00
  5. Step 5: Solve for x
    x = 1,374,556,356,962.00/1,376,939.12
  6. Step 6: Final answer
    x = 998,269.53

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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.