Home / 1,242,567.95-1,863,633.22-331,761.72

Finding the Fourth Proportional to 1,242,567.95, 1,863,633.22 and 331,761.72

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Solution

The fourth proportional to 1,242,567.95, 1,863,633.22 and 331,761.72 is: 497,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,567.95 : 1,863,633.22 = 331,761.72 : x
  2. Step 2: Convert to fraction form
    1,242,567.95/1,863,633.22 = 331,761.72/x
  3. Step 3: Cross multiply
    1,242,567.95x = 1,863,633.22 × 331,761.72
  4. Step 4: Simplify right side
    1,242,567.95x = 618,282,168,675.56
  5. Step 5: Solve for x
    x = 618,282,168,675.56/1,242,567.95
  6. Step 6: Final answer
    x = 497,584.19

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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.