Home / 1,206,432.28-1,809,896.80-353,531.59

Finding the Fourth Proportional to 1,206,432.28, 1,809,896.80 and 353,531.59

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Solution

The fourth proportional to 1,206,432.28, 1,809,896.80 and 353,531.59 is: 530,370.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,432.28 : 1,809,896.80 = 353,531.59 : x
  2. Step 2: Convert to fraction form
    1,206,432.28/1,809,896.80 = 353,531.59/x
  3. Step 3: Cross multiply
    1,206,432.28x = 1,809,896.80 × 353,531.59
  4. Step 4: Simplify right side
    1,206,432.28x = 639,855,693,439.91
  5. Step 5: Solve for x
    x = 639,855,693,439.91/1,206,432.28
  6. Step 6: Final answer
    x = 530,370.17

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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.