Home / 1,222,240.44-1,830,703.38-747,489.72

Finding the Fourth Proportional to 1,222,240.44, 1,830,703.38 and 747,489.72

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Solution

The fourth proportional to 1,222,240.44, 1,830,703.38 and 747,489.72 is: 1,119,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,240.44 : 1,830,703.38 = 747,489.72 : x
  2. Step 2: Convert to fraction form
    1,222,240.44/1,830,703.38 = 747,489.72/x
  3. Step 3: Cross multiply
    1,222,240.44x = 1,830,703.38 × 747,489.72
  4. Step 4: Simplify right side
    1,222,240.44x = 1,368,431,956,919.25
  5. Step 5: Solve for x
    x = 1,368,431,956,919.25/1,222,240.44
  6. Step 6: Final answer
    x = 1,119,609.46

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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.