Home / 1,438,087.96-1,984,494.90-825,809.97

Finding the Fourth Proportional to 1,438,087.96, 1,984,494.90 and 825,809.97

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Solution

The fourth proportional to 1,438,087.96, 1,984,494.90 and 825,809.97 is: 1,139,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,087.96 : 1,984,494.90 = 825,809.97 : x
  2. Step 2: Convert to fraction form
    1,438,087.96/1,984,494.90 = 825,809.97/x
  3. Step 3: Cross multiply
    1,438,087.96x = 1,984,494.90 × 825,809.97
  4. Step 4: Simplify right side
    1,438,087.96x = 1,638,815,673,834.15
  5. Step 5: Solve for x
    x = 1,638,815,673,834.15/1,438,087.96
  6. Step 6: Final answer
    x = 1,139,579.58

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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.