Home / 1,127,860.78-1,691,763.06-329,149.24

Finding the Fourth Proportional to 1,127,860.78, 1,691,763.06 and 329,149.24

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Solution

The fourth proportional to 1,127,860.78, 1,691,763.06 and 329,149.24 is: 493,715.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,860.78 : 1,691,763.06 = 329,149.24 : x
  2. Step 2: Convert to fraction form
    1,127,860.78/1,691,763.06 = 329,149.24/x
  3. Step 3: Cross multiply
    1,127,860.78x = 1,691,763.06 × 329,149.24
  4. Step 4: Simplify right side
    1,127,860.78x = 556,842,525,459.07
  5. Step 5: Solve for x
    x = 556,842,525,459.07/1,127,860.78
  6. Step 6: Final answer
    x = 493,715.66

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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.