Home / 1,356,020.73-2,034,061.83-345,138.75

Finding the Fourth Proportional to 1,356,020.73, 2,034,061.83 and 345,138.75

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Solution

The fourth proportional to 1,356,020.73, 2,034,061.83 and 345,138.75 is: 517,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,020.73 : 2,034,061.83 = 345,138.75 : x
  2. Step 2: Convert to fraction form
    1,356,020.73/2,034,061.83 = 345,138.75/x
  3. Step 3: Cross multiply
    1,356,020.73x = 2,034,061.83 × 345,138.75
  4. Step 4: Simplify right side
    1,356,020.73x = 702,033,557,428.91
  5. Step 5: Solve for x
    x = 702,033,557,428.91/1,356,020.73
  6. Step 6: Final answer
    x = 517,715.95

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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.