Home / 1,377,286.70-2,065,930.05-1,058,422.10

Finding the Fourth Proportional to 1,377,286.70, 2,065,930.05 and 1,058,422.10

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Solution

The fourth proportional to 1,377,286.70, 2,065,930.05 and 1,058,422.10 is: 1,587,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,286.70 : 2,065,930.05 = 1,058,422.10 : x
  2. Step 2: Convert to fraction form
    1,377,286.70/2,065,930.05 = 1,058,422.10/x
  3. Step 3: Cross multiply
    1,377,286.70x = 2,065,930.05 × 1,058,422.10
  4. Step 4: Simplify right side
    1,377,286.70x = 2,186,626,021,974.11
  5. Step 5: Solve for x
    x = 2,186,626,021,974.11/1,377,286.70
  6. Step 6: Final answer
    x = 1,587,633.15

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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.