Home / 1,070,381.28-1,605,583.44-322,433.76

Finding the Fourth Proportional to 1,070,381.28, 1,605,583.44 and 322,433.76

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Solution

The fourth proportional to 1,070,381.28, 1,605,583.44 and 322,433.76 is: 483,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,381.28 : 1,605,583.44 = 322,433.76 : x
  2. Step 2: Convert to fraction form
    1,070,381.28/1,605,583.44 = 322,433.76/x
  3. Step 3: Cross multiply
    1,070,381.28x = 1,605,583.44 × 322,433.76
  4. Step 4: Simplify right side
    1,070,381.28x = 517,694,305,552.93
  5. Step 5: Solve for x
    x = 517,694,305,552.93/1,070,381.28
  6. Step 6: Final answer
    x = 483,654.11

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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.