Home / 1,845,092.89-2,768,012.94-780,133.24

Finding the Fourth Proportional to 1,845,092.89, 2,768,012.94 and 780,133.24

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Solution

The fourth proportional to 1,845,092.89, 2,768,012.94 and 780,133.24 is: 1,170,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,092.89 : 2,768,012.94 = 780,133.24 : x
  2. Step 2: Convert to fraction form
    1,845,092.89/2,768,012.94 = 780,133.24/x
  3. Step 3: Cross multiply
    1,845,092.89x = 2,768,012.94 × 780,133.24
  4. Step 4: Simplify right side
    1,845,092.89x = 2,159,418,889,404.06
  5. Step 5: Solve for x
    x = 2,159,418,889,404.06/1,845,092.89
  6. Step 6: Final answer
    x = 1,170,357.82

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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.