Home / 1,542,069.91-2,128,215.51-888,718.87

Finding the Fourth Proportional to 1,542,069.91, 2,128,215.51 and 888,718.87

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Solution

The fourth proportional to 1,542,069.91, 2,128,215.51 and 888,718.87 is: 1,226,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,069.91 : 2,128,215.51 = 888,718.87 : x
  2. Step 2: Convert to fraction form
    1,542,069.91/2,128,215.51 = 888,718.87/x
  3. Step 3: Cross multiply
    1,542,069.91x = 2,128,215.51 × 888,718.87
  4. Step 4: Simplify right side
    1,542,069.91x = 1,891,385,268,079.00
  5. Step 5: Solve for x
    x = 1,891,385,268,079.00/1,542,069.91
  6. Step 6: Final answer
    x = 1,226,523.69

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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.