Home / 1,328,828.38-1,833,757.59-725,220.70

Finding the Fourth Proportional to 1,328,828.38, 1,833,757.59 and 725,220.70

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Solution

The fourth proportional to 1,328,828.38, 1,833,757.59 and 725,220.70 is: 1,000,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,828.38 : 1,833,757.59 = 725,220.70 : x
  2. Step 2: Convert to fraction form
    1,328,828.38/1,833,757.59 = 725,220.70/x
  3. Step 3: Cross multiply
    1,328,828.38x = 1,833,757.59 × 725,220.70
  4. Step 4: Simplify right side
    1,328,828.38x = 1,329,878,963,050.11
  5. Step 5: Solve for x
    x = 1,329,878,963,050.11/1,328,828.38
  6. Step 6: Final answer
    x = 1,000,790.61

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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.