Home / 1,231,019-1,846,767.90-472,805

Finding the Fourth Proportional to 1,231,019, 1,846,767.90 and 472,805

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Solution

The fourth proportional to 1,231,019, 1,846,767.90 and 472,805 is: 709,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,019 : 1,846,767.90 = 472,805 : x
  2. Step 2: Convert to fraction form
    1,231,019/1,846,767.90 = 472,805/x
  3. Step 3: Cross multiply
    1,231,019x = 1,846,767.90 × 472,805
  4. Step 4: Simplify right side
    1,231,019x = 873,161,096,959.50
  5. Step 5: Solve for x
    x = 873,161,096,959.50/1,231,019
  6. Step 6: Final answer
    x = 709,299.45

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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.