Home / 1,077,926.20-1,617,119.70-330,047.80

Finding the Fourth Proportional to 1,077,926.20, 1,617,119.70 and 330,047.80

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Solution

The fourth proportional to 1,077,926.20, 1,617,119.70 and 330,047.80 is: 495,142.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,926.20 : 1,617,119.70 = 330,047.80 : x
  2. Step 2: Convert to fraction form
    1,077,926.20/1,617,119.70 = 330,047.80/x
  3. Step 3: Cross multiply
    1,077,926.20x = 1,617,119.70 × 330,047.80
  4. Step 4: Simplify right side
    1,077,926.20x = 533,726,799,321.66
  5. Step 5: Solve for x
    x = 533,726,799,321.66/1,077,926.20
  6. Step 6: Final answer
    x = 495,142.25

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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.