Home / 1,311,711.18-1,967,637.18-413,223.24

Finding the Fourth Proportional to 1,311,711.18, 1,967,637.18 and 413,223.24

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Solution

The fourth proportional to 1,311,711.18, 1,967,637.18 and 413,223.24 is: 619,857.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,711.18 : 1,967,637.18 = 413,223.24 : x
  2. Step 2: Convert to fraction form
    1,311,711.18/1,967,637.18 = 413,223.24/x
  3. Step 3: Cross multiply
    1,311,711.18x = 1,967,637.18 × 413,223.24
  4. Step 4: Simplify right side
    1,311,711.18x = 813,073,410,664.06
  5. Step 5: Solve for x
    x = 813,073,410,664.06/1,311,711.18
  6. Step 6: Final answer
    x = 619,857.04

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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.