Home / 1,497,672.39-2,066,788.98-818,608.89

Finding the Fourth Proportional to 1,497,672.39, 2,066,788.98 and 818,608.89

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Solution

The fourth proportional to 1,497,672.39, 2,066,788.98 and 818,608.89 is: 1,129,680.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,497,672.39 : 2,066,788.98 = 818,608.89 : x
  2. Step 2: Convert to fraction form
    1,497,672.39/2,066,788.98 = 818,608.89/x
  3. Step 3: Cross multiply
    1,497,672.39x = 2,066,788.98 × 818,608.89
  4. Step 4: Simplify right side
    1,497,672.39x = 1,691,891,832,782.03
  5. Step 5: Solve for x
    x = 1,691,891,832,782.03/1,497,672.39
  6. Step 6: Final answer
    x = 1,129,680.86

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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.