Home / 1,061,938.50-1,593,138.40-388,018.76

Finding the Fourth Proportional to 1,061,938.50, 1,593,138.40 and 388,018.76

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Solution

The fourth proportional to 1,061,938.50, 1,593,138.40 and 388,018.76 is: 582,112.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061,938.50 : 1,593,138.40 = 388,018.76 : x
  2. Step 2: Convert to fraction form
    1,061,938.50/1,593,138.40 = 388,018.76/x
  3. Step 3: Cross multiply
    1,061,938.50x = 1,593,138.40 × 388,018.76
  4. Step 4: Simplify right side
    1,061,938.50x = 618,167,586,476.38
  5. Step 5: Solve for x
    x = 618,167,586,476.38/1,061,938.50
  6. Step 6: Final answer
    x = 582,112.42

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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.