Home / 1,077,859.20-1,617,019.20-329,980.80

Finding the Fourth Proportional to 1,077,859.20, 1,617,019.20 and 329,980.80

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Solution

The fourth proportional to 1,077,859.20, 1,617,019.20 and 329,980.80 is: 495,041.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,859.20 : 1,617,019.20 = 329,980.80 : x
  2. Step 2: Convert to fraction form
    1,077,859.20/1,617,019.20 = 329,980.80/x
  3. Step 3: Cross multiply
    1,077,859.20x = 1,617,019.20 × 329,980.80
  4. Step 4: Simplify right side
    1,077,859.20x = 533,585,289,231.36
  5. Step 5: Solve for x
    x = 533,585,289,231.36/1,077,859.20
  6. Step 6: Final answer
    x = 495,041.74

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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.