Home / 1,195,402.85-1,649,656.55-679,157.64

Finding the Fourth Proportional to 1,195,402.85, 1,649,656.55 and 679,157.64

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Solution

The fourth proportional to 1,195,402.85, 1,649,656.55 and 679,157.64 is: 937,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,402.85 : 1,649,656.55 = 679,157.64 : x
  2. Step 2: Convert to fraction form
    1,195,402.85/1,649,656.55 = 679,157.64/x
  3. Step 3: Cross multiply
    1,195,402.85x = 1,649,656.55 × 679,157.64
  4. Step 4: Simplify right side
    1,195,402.85x = 1,120,376,845,912.75
  5. Step 5: Solve for x
    x = 1,120,376,845,912.75/1,195,402.85
  6. Step 6: Final answer
    x = 937,237.89

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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.