Home / 1,365,279.88-1,884,131.44-745,118.97

Finding the Fourth Proportional to 1,365,279.88, 1,884,131.44 and 745,118.97

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Solution

The fourth proportional to 1,365,279.88, 1,884,131.44 and 745,118.97 is: 1,028,288.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,279.88 : 1,884,131.44 = 745,118.97 : x
  2. Step 2: Convert to fraction form
    1,365,279.88/1,884,131.44 = 745,118.97/x
  3. Step 3: Cross multiply
    1,365,279.88x = 1,884,131.44 × 745,118.97
  4. Step 4: Simplify right side
    1,365,279.88x = 1,403,902,077,917.42
  5. Step 5: Solve for x
    x = 1,403,902,077,917.42/1,365,279.88
  6. Step 6: Final answer
    x = 1,028,288.85

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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.