Home / 1,622,481.81-2,238,934.32-887,290.98

Finding the Fourth Proportional to 1,622,481.81, 2,238,934.32 and 887,290.98

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Solution

The fourth proportional to 1,622,481.81, 2,238,934.32 and 887,290.98 is: 1,224,412.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,481.81 : 2,238,934.32 = 887,290.98 : x
  2. Step 2: Convert to fraction form
    1,622,481.81/2,238,934.32 = 887,290.98/x
  3. Step 3: Cross multiply
    1,622,481.81x = 2,238,934.32 × 887,290.98
  4. Step 4: Simplify right side
    1,622,481.81x = 1,986,586,226,948.43
  5. Step 5: Solve for x
    x = 1,986,586,226,948.43/1,622,481.81
  6. Step 6: Final answer
    x = 1,224,412.02

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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.