Home / 1,376,488.17-1,899,857.28-764,851.10

Finding the Fourth Proportional to 1,376,488.17, 1,899,857.28 and 764,851.10

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Solution

The fourth proportional to 1,376,488.17, 1,899,857.28 and 764,851.10 is: 1,055,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,488.17 : 1,899,857.28 = 764,851.10 : x
  2. Step 2: Convert to fraction form
    1,376,488.17/1,899,857.28 = 764,851.10/x
  3. Step 3: Cross multiply
    1,376,488.17x = 1,899,857.28 × 764,851.10
  4. Step 4: Simplify right side
    1,376,488.17x = 1,453,107,920,951.72
  5. Step 5: Solve for x
    x = 1,453,107,920,951.72/1,376,488.17
  6. Step 6: Final answer
    x = 1,055,663.21

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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.