Home / 1,689,538.04-2,534,315.61-427,366.88

Finding the Fourth Proportional to 1,689,538.04, 2,534,315.61 and 427,366.88

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Solution

The fourth proportional to 1,689,538.04, 2,534,315.61 and 427,366.88 is: 641,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,538.04 : 2,534,315.61 = 427,366.88 : x
  2. Step 2: Convert to fraction form
    1,689,538.04/2,534,315.61 = 427,366.88/x
  3. Step 3: Cross multiply
    1,689,538.04x = 2,534,315.61 × 427,366.88
  4. Step 4: Simplify right side
    1,689,538.04x = 1,083,082,555,181.00
  5. Step 5: Solve for x
    x = 1,083,082,555,181.00/1,689,538.04
  6. Step 6: Final answer
    x = 641,052.48

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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.