Home / 1,542,223.59-2,128,268.28-863,160.09

Finding the Fourth Proportional to 1,542,223.59, 2,128,268.28 and 863,160.09

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Solution

The fourth proportional to 1,542,223.59, 2,128,268.28 and 863,160.09 is: 1,191,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,223.59 : 2,128,268.28 = 863,160.09 : x
  2. Step 2: Convert to fraction form
    1,542,223.59/2,128,268.28 = 863,160.09/x
  3. Step 3: Cross multiply
    1,542,223.59x = 2,128,268.28 × 863,160.09
  4. Step 4: Simplify right side
    1,542,223.59x = 1,837,036,240,108.95
  5. Step 5: Solve for x
    x = 1,837,036,240,108.95/1,542,223.59
  6. Step 6: Final answer
    x = 1,191,160.77

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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.