Home / 1,333,642.46-2,000,463.77-322,764.57

Finding the Fourth Proportional to 1,333,642.46, 2,000,463.77 and 322,764.57

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Solution

The fourth proportional to 1,333,642.46, 2,000,463.77 and 322,764.57 is: 484,146.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,642.46 : 2,000,463.77 = 322,764.57 : x
  2. Step 2: Convert to fraction form
    1,333,642.46/2,000,463.77 = 322,764.57/x
  3. Step 3: Cross multiply
    1,333,642.46x = 2,000,463.77 × 322,764.57
  4. Step 4: Simplify right side
    1,333,642.46x = 645,678,826,910.81
  5. Step 5: Solve for x
    x = 645,678,826,910.81/1,333,642.46
  6. Step 6: Final answer
    x = 484,146.87

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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.