Home / 1,376,488.44-1,899,857.88-764,851.46

Finding the Fourth Proportional to 1,376,488.44, 1,899,857.88 and 764,851.46

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Solution

The fourth proportional to 1,376,488.44, 1,899,857.88 and 764,851.46 is: 1,055,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,488.44 : 1,899,857.88 = 764,851.46 : x
  2. Step 2: Convert to fraction form
    1,376,488.44/1,899,857.88 = 764,851.46/x
  3. Step 3: Cross multiply
    1,376,488.44x = 1,899,857.88 × 764,851.46
  4. Step 4: Simplify right side
    1,376,488.44x = 1,453,109,063,811.22
  5. Step 5: Solve for x
    x = 1,453,109,063,811.22/1,376,488.44
  6. Step 6: Final answer
    x = 1,055,663.83

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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.