Home / 1,615,930.94-2,229,983.80-890,790.75

Finding the Fourth Proportional to 1,615,930.94, 2,229,983.80 and 890,790.75

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Solution

The fourth proportional to 1,615,930.94, 2,229,983.80 and 890,790.75 is: 1,229,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,930.94 : 2,229,983.80 = 890,790.75 : x
  2. Step 2: Convert to fraction form
    1,615,930.94/2,229,983.80 = 890,790.75/x
  3. Step 3: Cross multiply
    1,615,930.94x = 2,229,983.80 × 890,790.75
  4. Step 4: Simplify right side
    1,615,930.94x = 1,986,448,939,462.87
  5. Step 5: Solve for x
    x = 1,986,448,939,462.87/1,615,930.94
  6. Step 6: Final answer
    x = 1,229,290.74

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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.