Home / 1,226,992.56-1,692,656.16-791,294.96

Finding the Fourth Proportional to 1,226,992.56, 1,692,656.16 and 791,294.96

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Solution

The fourth proportional to 1,226,992.56, 1,692,656.16 and 791,294.96 is: 1,091,604.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,992.56 : 1,692,656.16 = 791,294.96 : x
  2. Step 2: Convert to fraction form
    1,226,992.56/1,692,656.16 = 791,294.96/x
  3. Step 3: Cross multiply
    1,226,992.56x = 1,692,656.16 × 791,294.96
  4. Step 4: Simplify right side
    1,226,992.56x = 1,339,390,288,420.95
  5. Step 5: Solve for x
    x = 1,339,390,288,420.95/1,226,992.56
  6. Step 6: Final answer
    x = 1,091,604.25

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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.