Home / 815,733.88-1,122,918.06-707,667.64

Finding the Fourth Proportional to 815,733.88, 1,122,918.06 and 707,667.64

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Solution

The fourth proportional to 815,733.88, 1,122,918.06 and 707,667.64 is: 974,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,733.88 : 1,122,918.06 = 707,667.64 : x
  2. Step 2: Convert to fraction form
    815,733.88/1,122,918.06 = 707,667.64/x
  3. Step 3: Cross multiply
    815,733.88x = 1,122,918.06 × 707,667.64
  4. Step 4: Simplify right side
    815,733.88x = 794,652,773,433.58
  5. Step 5: Solve for x
    x = 794,652,773,433.58/815,733.88
  6. Step 6: Final answer
    x = 974,156.88

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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.