Home / 1,372,765.39-2,057,923.37-698,469.55

Finding the Fourth Proportional to 1,372,765.39, 2,057,923.37 and 698,469.55

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Solution

The fourth proportional to 1,372,765.39, 2,057,923.37 and 698,469.55 is: 1,047,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,765.39 : 2,057,923.37 = 698,469.55 : x
  2. Step 2: Convert to fraction form
    1,372,765.39/2,057,923.37 = 698,469.55/x
  3. Step 3: Cross multiply
    1,372,765.39x = 2,057,923.37 × 698,469.55
  4. Step 4: Simplify right side
    1,372,765.39x = 1,437,396,806,686.04
  5. Step 5: Solve for x
    x = 1,437,396,806,686.04/1,372,765.39
  6. Step 6: Final answer
    x = 1,047,081.18

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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.