Home / 1,077,932.20-1,617,128.70-330,053.80

Finding the Fourth Proportional to 1,077,932.20, 1,617,128.70 and 330,053.80

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Solution

The fourth proportional to 1,077,932.20, 1,617,128.70 and 330,053.80 is: 495,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,932.20 : 1,617,128.70 = 330,053.80 : x
  2. Step 2: Convert to fraction form
    1,077,932.20/1,617,128.70 = 330,053.80/x
  3. Step 3: Cross multiply
    1,077,932.20x = 1,617,128.70 × 330,053.80
  4. Step 4: Simplify right side
    1,077,932.20x = 533,739,472,524.06
  5. Step 5: Solve for x
    x = 533,739,472,524.06/1,077,932.20
  6. Step 6: Final answer
    x = 495,151.25

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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.