Home / 1,305,221.20-1,801,536.33-891,925.36

Finding the Fourth Proportional to 1,305,221.20, 1,801,536.33 and 891,925.36

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Solution

The fourth proportional to 1,305,221.20, 1,801,536.33 and 891,925.36 is: 1,231,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,221.20 : 1,801,536.33 = 891,925.36 : x
  2. Step 2: Convert to fraction form
    1,305,221.20/1,801,536.33 = 891,925.36/x
  3. Step 3: Cross multiply
    1,305,221.20x = 1,801,536.33 × 891,925.36
  4. Step 4: Simplify right side
    1,305,221.20x = 1,606,835,939,688.33
  5. Step 5: Solve for x
    x = 1,606,835,939,688.33/1,305,221.20
  6. Step 6: Final answer
    x = 1,231,083.24

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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.