Home / 1,521,091.80-2,099,107.31-832,808.27

Finding the Fourth Proportional to 1,521,091.80, 2,099,107.31 and 832,808.27

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Solution

The fourth proportional to 1,521,091.80, 2,099,107.31 and 832,808.27 is: 1,149,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,091.80 : 2,099,107.31 = 832,808.27 : x
  2. Step 2: Convert to fraction form
    1,521,091.80/2,099,107.31 = 832,808.27/x
  3. Step 3: Cross multiply
    1,521,091.80x = 2,099,107.31 × 832,808.27
  4. Step 4: Simplify right side
    1,521,091.80x = 1,748,153,912,725.88
  5. Step 5: Solve for x
    x = 1,748,153,912,725.88/1,521,091.80
  6. Step 6: Final answer
    x = 1,149,275.75

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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.