Home / 1,217,538.44-1,680,878.76-734,226.04

Finding the Fourth Proportional to 1,217,538.44, 1,680,878.76 and 734,226.04

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Solution

The fourth proportional to 1,217,538.44, 1,680,878.76 and 734,226.04 is: 1,013,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,538.44 : 1,680,878.76 = 734,226.04 : x
  2. Step 2: Convert to fraction form
    1,217,538.44/1,680,878.76 = 734,226.04/x
  3. Step 3: Cross multiply
    1,217,538.44x = 1,680,878.76 × 734,226.04
  4. Step 4: Simplify right side
    1,217,538.44x = 1,234,144,955,674.91
  5. Step 5: Solve for x
    x = 1,234,144,955,674.91/1,217,538.44
  6. Step 6: Final answer
    x = 1,013,639.42

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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.