Home / 1,261,127.38-1,739,579.03-898,668.35

Finding the Fourth Proportional to 1,261,127.38, 1,739,579.03 and 898,668.35

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Solution

The fourth proportional to 1,261,127.38, 1,739,579.03 and 898,668.35 is: 1,239,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,127.38 : 1,739,579.03 = 898,668.35 : x
  2. Step 2: Convert to fraction form
    1,261,127.38/1,739,579.03 = 898,668.35/x
  3. Step 3: Cross multiply
    1,261,127.38x = 1,739,579.03 × 898,668.35
  4. Step 4: Simplify right side
    1,261,127.38x = 1,563,304,616,584.70
  5. Step 5: Solve for x
    x = 1,563,304,616,584.70/1,261,127.38
  6. Step 6: Final answer
    x = 1,239,608.82

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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.