Home / 1,380,798.36-2,071,694.34-482,372.28

Finding the Fourth Proportional to 1,380,798.36, 2,071,694.34 and 482,372.28

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Solution

The fourth proportional to 1,380,798.36, 2,071,694.34 and 482,372.28 is: 723,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,798.36 : 2,071,694.34 = 482,372.28 : x
  2. Step 2: Convert to fraction form
    1,380,798.36/2,071,694.34 = 482,372.28/x
  3. Step 3: Cross multiply
    1,380,798.36x = 2,071,694.34 × 482,372.28
  4. Step 4: Simplify right side
    1,380,798.36x = 999,327,922,248.90
  5. Step 5: Solve for x
    x = 999,327,922,248.90/1,380,798.36
  6. Step 6: Final answer
    x = 723,731.97

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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.