Home / 1,471,742.30-2,031,022.68-890,957.72

Finding the Fourth Proportional to 1,471,742.30, 2,031,022.68 and 890,957.72

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Solution

The fourth proportional to 1,471,742.30, 2,031,022.68 and 890,957.72 is: 1,229,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,742.30 : 2,031,022.68 = 890,957.72 : x
  2. Step 2: Convert to fraction form
    1,471,742.30/2,031,022.68 = 890,957.72/x
  3. Step 3: Cross multiply
    1,471,742.30x = 2,031,022.68 × 890,957.72
  4. Step 4: Simplify right side
    1,471,742.30x = 1,809,555,336,241.09
  5. Step 5: Solve for x
    x = 1,809,555,336,241.09/1,471,742.30
  6. Step 6: Final answer
    x = 1,229,532.74

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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.