Home / 1,372,765.89-2,057,924.12-698,470.05

Finding the Fourth Proportional to 1,372,765.89, 2,057,924.12 and 698,470.05

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Solution

The fourth proportional to 1,372,765.89, 2,057,924.12 and 698,470.05 is: 1,047,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,765.89 : 2,057,924.12 = 698,470.05 : x
  2. Step 2: Convert to fraction form
    1,372,765.89/2,057,924.12 = 698,470.05/x
  3. Step 3: Cross multiply
    1,372,765.89x = 2,057,924.12 × 698,470.05
  4. Step 4: Simplify right side
    1,372,765.89x = 1,437,398,359,500.26
  5. Step 5: Solve for x
    x = 1,437,398,359,500.26/1,372,765.89
  6. Step 6: Final answer
    x = 1,047,081.93

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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.