Home / 1,266,732.92-1,899,706.39-457,012.07

Finding the Fourth Proportional to 1,266,732.92, 1,899,706.39 and 457,012.07

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Solution

The fourth proportional to 1,266,732.92, 1,899,706.39 and 457,012.07 is: 685,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,732.92 : 1,899,706.39 = 457,012.07 : x
  2. Step 2: Convert to fraction form
    1,266,732.92/1,899,706.39 = 457,012.07/x
  3. Step 3: Cross multiply
    1,266,732.92x = 1,899,706.39 × 457,012.07
  4. Step 4: Simplify right side
    1,266,732.92x = 868,188,747,882.76
  5. Step 5: Solve for x
    x = 868,188,747,882.76/1,266,732.92
  6. Step 6: Final answer
    x = 685,376.32

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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.