Home / 1,425,863.52-1,967,616.72-813,992.16

Finding the Fourth Proportional to 1,425,863.52, 1,967,616.72 and 813,992.16

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Solution

The fourth proportional to 1,425,863.52, 1,967,616.72 and 813,992.16 is: 1,123,266.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,863.52 : 1,967,616.72 = 813,992.16 : x
  2. Step 2: Convert to fraction form
    1,425,863.52/1,967,616.72 = 813,992.16/x
  3. Step 3: Cross multiply
    1,425,863.52x = 1,967,616.72 × 813,992.16
  4. Step 4: Simplify right side
    1,425,863.52x = 1,601,624,583,964.92
  5. Step 5: Solve for x
    x = 1,601,624,583,964.92/1,425,863.52
  6. Step 6: Final answer
    x = 1,123,266.40

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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.