Home / 1,542,248.56-2,128,302.76-863,185.04

Finding the Fourth Proportional to 1,542,248.56, 2,128,302.76 and 863,185.04

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Solution

The fourth proportional to 1,542,248.56, 2,128,302.76 and 863,185.04 is: 1,191,195.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,248.56 : 2,128,302.76 = 863,185.04 : x
  2. Step 2: Convert to fraction form
    1,542,248.56/2,128,302.76 = 863,185.04/x
  3. Step 3: Cross multiply
    1,542,248.56x = 2,128,302.76 × 863,185.04
  4. Step 4: Simplify right side
    1,542,248.56x = 1,837,119,103,022.71
  5. Step 5: Solve for x
    x = 1,837,119,103,022.71/1,542,248.56
  6. Step 6: Final answer
    x = 1,191,195.21

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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.