Home / 1,517,987.80-2,275,523.70-877,634.20

Finding the Fourth Proportional to 1,517,987.80, 2,275,523.70 and 877,634.20

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Solution

The fourth proportional to 1,517,987.80, 2,275,523.70 and 877,634.20 is: 1,315,608.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,987.80 : 2,275,523.70 = 877,634.20 : x
  2. Step 2: Convert to fraction form
    1,517,987.80/2,275,523.70 = 877,634.20/x
  3. Step 3: Cross multiply
    1,517,987.80x = 2,275,523.70 × 877,634.20
  4. Step 4: Simplify right side
    1,517,987.80x = 1,997,077,422,030.54
  5. Step 5: Solve for x
    x = 1,997,077,422,030.54/1,517,987.80
  6. Step 6: Final answer
    x = 1,315,608.35

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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.