Home / 1,290,057.30-1,780,173.77-759,544.80

Finding the Fourth Proportional to 1,290,057.30, 1,780,173.77 and 759,544.80

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Solution

The fourth proportional to 1,290,057.30, 1,780,173.77 and 759,544.80 is: 1,048,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,057.30 : 1,780,173.77 = 759,544.80 : x
  2. Step 2: Convert to fraction form
    1,290,057.30/1,780,173.77 = 759,544.80/x
  3. Step 3: Cross multiply
    1,290,057.30x = 1,780,173.77 × 759,544.80
  4. Step 4: Simplify right side
    1,290,057.30x = 1,352,121,726,302.17
  5. Step 5: Solve for x
    x = 1,352,121,726,302.17/1,290,057.30
  6. Step 6: Final answer
    x = 1,048,109.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.