Home / 1,107,882.90-1,661,836.77-309,115.98

Finding the Fourth Proportional to 1,107,882.90, 1,661,836.77 and 309,115.98

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Solution

The fourth proportional to 1,107,882.90, 1,661,836.77 and 309,115.98 is: 463,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,882.90 : 1,661,836.77 = 309,115.98 : x
  2. Step 2: Convert to fraction form
    1,107,882.90/1,661,836.77 = 309,115.98/x
  3. Step 3: Cross multiply
    1,107,882.90x = 1,661,836.77 × 309,115.98
  4. Step 4: Simplify right side
    1,107,882.90x = 513,700,301,758.59
  5. Step 5: Solve for x
    x = 513,700,301,758.59/1,107,882.90
  6. Step 6: Final answer
    x = 463,677.44

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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.