Home / 1,343,654.09-2,015,765.45-445,044.95

Finding the Fourth Proportional to 1,343,654.09, 2,015,765.45 and 445,044.95

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Solution

The fourth proportional to 1,343,654.09, 2,015,765.45 and 445,044.95 is: 667,661.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,654.09 : 2,015,765.45 = 445,044.95 : x
  2. Step 2: Convert to fraction form
    1,343,654.09/2,015,765.45 = 445,044.95/x
  3. Step 3: Cross multiply
    1,343,654.09x = 2,015,765.45 × 445,044.95
  4. Step 4: Simplify right side
    1,343,654.09x = 897,106,231,681.75
  5. Step 5: Solve for x
    x = 897,106,231,681.75/1,343,654.09
  6. Step 6: Final answer
    x = 667,661.59

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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.