Home / 1,182,759.75-1,632,209.12-638,895.55

Finding the Fourth Proportional to 1,182,759.75, 1,632,209.12 and 638,895.55

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Solution

The fourth proportional to 1,182,759.75, 1,632,209.12 and 638,895.55 is: 881,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,759.75 : 1,632,209.12 = 638,895.55 : x
  2. Step 2: Convert to fraction form
    1,182,759.75/1,632,209.12 = 638,895.55/x
  3. Step 3: Cross multiply
    1,182,759.75x = 1,632,209.12 × 638,895.55
  4. Step 4: Simplify right side
    1,182,759.75x = 1,042,811,143,437.42
  5. Step 5: Solve for x
    x = 1,042,811,143,437.42/1,182,759.75
  6. Step 6: Final answer
    x = 881,676.22

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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.