Home / 1,149,398.90-1,721,441.14-1,109,540.84

Finding the Fourth Proportional to 1,149,398.90, 1,721,441.14 and 1,109,540.84

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Solution

The fourth proportional to 1,149,398.90, 1,721,441.14 and 1,109,540.84 is: 1,661,746.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,398.90 : 1,721,441.14 = 1,109,540.84 : x
  2. Step 2: Convert to fraction form
    1,149,398.90/1,721,441.14 = 1,109,540.84/x
  3. Step 3: Cross multiply
    1,149,398.90x = 1,721,441.14 × 1,109,540.84
  4. Step 4: Simplify right side
    1,149,398.90x = 1,910,009,248,486.16
  5. Step 5: Solve for x
    x = 1,910,009,248,486.16/1,149,398.90
  6. Step 6: Final answer
    x = 1,661,746.19

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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.