Home / 1,311,717.66-1,967,646.98-413,229.72

Finding the Fourth Proportional to 1,311,717.66, 1,967,646.98 and 413,229.72

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Solution

The fourth proportional to 1,311,717.66, 1,967,646.98 and 413,229.72 is: 619,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,717.66 : 1,967,646.98 = 413,229.72 : x
  2. Step 2: Convert to fraction form
    1,311,717.66/1,967,646.98 = 413,229.72/x
  3. Step 3: Cross multiply
    1,311,717.66x = 1,967,646.98 × 413,229.72
  4. Step 4: Simplify right side
    1,311,717.66x = 813,090,209,192.98
  5. Step 5: Solve for x
    x = 813,090,209,192.98/1,311,717.66
  6. Step 6: Final answer
    x = 619,866.78

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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.