Home / 1,222,003.52-1,686,288.60-738,282.80

Finding the Fourth Proportional to 1,222,003.52, 1,686,288.60 and 738,282.80

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Solution

The fourth proportional to 1,222,003.52, 1,686,288.60 and 738,282.80 is: 1,018,784.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,003.52 : 1,686,288.60 = 738,282.80 : x
  2. Step 2: Convert to fraction form
    1,222,003.52/1,686,288.60 = 738,282.80/x
  3. Step 3: Cross multiply
    1,222,003.52x = 1,686,288.60 × 738,282.80
  4. Step 4: Simplify right side
    1,222,003.52x = 1,244,957,869,216.08
  5. Step 5: Solve for x
    x = 1,244,957,869,216.08/1,222,003.52
  6. Step 6: Final answer
    x = 1,018,784.19

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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.