Home / 1,375,606.20-2,058,743.70-1,207,644.60

Finding the Fourth Proportional to 1,375,606.20, 2,058,743.70 and 1,207,644.60

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Solution

The fourth proportional to 1,375,606.20, 2,058,743.70 and 1,207,644.60 is: 1,807,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,606.20 : 2,058,743.70 = 1,207,644.60 : x
  2. Step 2: Convert to fraction form
    1,375,606.20/2,058,743.70 = 1,207,644.60/x
  3. Step 3: Cross multiply
    1,375,606.20x = 2,058,743.70 × 1,207,644.60
  4. Step 4: Simplify right side
    1,375,606.20x = 2,486,230,712,089.02
  5. Step 5: Solve for x
    x = 2,486,230,712,089.02/1,375,606.20
  6. Step 6: Final answer
    x = 1,807,370.97

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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.