Home / 1,428,379.02-1,972,086.43-885,091.34

Finding the Fourth Proportional to 1,428,379.02, 1,972,086.43 and 885,091.34

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Solution

The fourth proportional to 1,428,379.02, 1,972,086.43 and 885,091.34 is: 1,221,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,379.02 : 1,972,086.43 = 885,091.34 : x
  2. Step 2: Convert to fraction form
    1,428,379.02/1,972,086.43 = 885,091.34/x
  3. Step 3: Cross multiply
    1,428,379.02x = 1,972,086.43 × 885,091.34
  4. Step 4: Simplify right side
    1,428,379.02x = 1,745,476,620,924.52
  5. Step 5: Solve for x
    x = 1,745,476,620,924.52/1,428,379.02
  6. Step 6: Final answer
    x = 1,221,998.22

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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.