Home / 1,080,320.80-1,617,370.80-968,346.40

Finding the Fourth Proportional to 1,080,320.80, 1,617,370.80 and 968,346.40

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Solution

The fourth proportional to 1,080,320.80, 1,617,370.80 and 968,346.40 is: 1,449,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,320.80 : 1,617,370.80 = 968,346.40 : x
  2. Step 2: Convert to fraction form
    1,080,320.80/1,617,370.80 = 968,346.40/x
  3. Step 3: Cross multiply
    1,080,320.80x = 1,617,370.80 × 968,346.40
  4. Step 4: Simplify right side
    1,080,320.80x = 1,566,175,191,645.12
  5. Step 5: Solve for x
    x = 1,566,175,191,645.12/1,080,320.80
  6. Step 6: Final answer
    x = 1,449,731.59

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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.