Home / 1,512,687.50-2,087,509.13-824,359.56

Finding the Fourth Proportional to 1,512,687.50, 2,087,509.13 and 824,359.56

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Solution

The fourth proportional to 1,512,687.50, 2,087,509.13 and 824,359.56 is: 1,137,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,687.50 : 2,087,509.13 = 824,359.56 : x
  2. Step 2: Convert to fraction form
    1,512,687.50/2,087,509.13 = 824,359.56/x
  3. Step 3: Cross multiply
    1,512,687.50x = 2,087,509.13 × 824,359.56
  4. Step 4: Simplify right side
    1,512,687.50x = 1,720,858,107,902.78
  5. Step 5: Solve for x
    x = 1,720,858,107,902.78/1,512,687.50
  6. Step 6: Final answer
    x = 1,137,616.40

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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.