Home / 1,199,329.98-1,654,915.91-770,191.40

Finding the Fourth Proportional to 1,199,329.98, 1,654,915.91 and 770,191.40

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Solution

The fourth proportional to 1,199,329.98, 1,654,915.91 and 770,191.40 is: 1,062,761.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,329.98 : 1,654,915.91 = 770,191.40 : x
  2. Step 2: Convert to fraction form
    1,199,329.98/1,654,915.91 = 770,191.40/x
  3. Step 3: Cross multiply
    1,199,329.98x = 1,654,915.91 × 770,191.40
  4. Step 4: Simplify right side
    1,199,329.98x = 1,274,601,989,479.64
  5. Step 5: Solve for x
    x = 1,274,601,989,479.64/1,199,329.98
  6. Step 6: Final answer
    x = 1,062,761.72

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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.