Home / 1,316,680.82-1,817,167.32-743,757.90

Finding the Fourth Proportional to 1,316,680.82, 1,817,167.32 and 743,757.90

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Solution

The fourth proportional to 1,316,680.82, 1,817,167.32 and 743,757.90 is: 1,026,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,680.82 : 1,817,167.32 = 743,757.90 : x
  2. Step 2: Convert to fraction form
    1,316,680.82/1,817,167.32 = 743,757.90/x
  3. Step 3: Cross multiply
    1,316,680.82x = 1,817,167.32 × 743,757.90
  4. Step 4: Simplify right side
    1,316,680.82x = 1,351,532,549,871.83
  5. Step 5: Solve for x
    x = 1,351,532,549,871.83/1,316,680.82
  6. Step 6: Final answer
    x = 1,026,469.38

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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.