Home / 1,967,079.53-2,948,868.79-768,729.29

Finding the Fourth Proportional to 1,967,079.53, 2,948,868.79 and 768,729.29

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Solution

The fourth proportional to 1,967,079.53, 2,948,868.79 and 768,729.29 is: 1,152,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,967,079.53 : 2,948,868.79 = 768,729.29 : x
  2. Step 2: Convert to fraction form
    1,967,079.53/2,948,868.79 = 768,729.29/x
  3. Step 3: Cross multiply
    1,967,079.53x = 2,948,868.79 × 768,729.29
  4. Step 4: Simplify right side
    1,967,079.53x = 2,266,881,794,573.69
  5. Step 5: Solve for x
    x = 2,266,881,794,573.69/1,967,079.53
  6. Step 6: Final answer
    x = 1,152,409.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.