Home / 1,039,895.62-1,559,849.10-320,228.44

Finding the Fourth Proportional to 1,039,895.62, 1,559,849.10 and 320,228.44

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Solution

The fourth proportional to 1,039,895.62, 1,559,849.10 and 320,228.44 is: 480,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,895.62 : 1,559,849.10 = 320,228.44 : x
  2. Step 2: Convert to fraction form
    1,039,895.62/1,559,849.10 = 320,228.44/x
  3. Step 3: Cross multiply
    1,039,895.62x = 1,559,849.10 × 320,228.44
  4. Step 4: Simplify right side
    1,039,895.62x = 499,508,043,928.40
  5. Step 5: Solve for x
    x = 499,508,043,928.40/1,039,895.62
  6. Step 6: Final answer
    x = 480,344.41

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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.