Home / 1,845,192.40-2,768,162.16-780,232.72

Finding the Fourth Proportional to 1,845,192.40, 2,768,162.16 and 780,232.72

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Solution

The fourth proportional to 1,845,192.40, 2,768,162.16 and 780,232.72 is: 1,170,507.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845,192.40 : 2,768,162.16 = 780,232.72 : x
  2. Step 2: Convert to fraction form
    1,845,192.40/2,768,162.16 = 780,232.72/x
  3. Step 3: Cross multiply
    1,845,192.40x = 2,768,162.16 × 780,232.72
  4. Step 4: Simplify right side
    1,845,192.40x = 2,159,810,691,497.88
  5. Step 5: Solve for x
    x = 2,159,810,691,497.88/1,845,192.40
  6. Step 6: Final answer
    x = 1,170,507.04

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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.