Home / 1,227,639.50-1,694,227.69-744,225.02

Finding the Fourth Proportional to 1,227,639.50, 1,694,227.69 and 744,225.02

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Solution

The fourth proportional to 1,227,639.50, 1,694,227.69 and 744,225.02 is: 1,027,082.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,639.50 : 1,694,227.69 = 744,225.02 : x
  2. Step 2: Convert to fraction form
    1,227,639.50/1,694,227.69 = 744,225.02/x
  3. Step 3: Cross multiply
    1,227,639.50x = 1,694,227.69 × 744,225.02
  4. Step 4: Simplify right side
    1,227,639.50x = 1,260,886,636,474.80
  5. Step 5: Solve for x
    x = 1,260,886,636,474.80/1,227,639.50
  6. Step 6: Final answer
    x = 1,027,082.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.