Home / 1,389,576.39-2,082,919.45-537,233.43

Finding the Fourth Proportional to 1,389,576.39, 2,082,919.45 and 537,233.43

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Solution

The fourth proportional to 1,389,576.39, 2,082,919.45 and 537,233.43 is: 805,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,576.39 : 2,082,919.45 = 537,233.43 : x
  2. Step 2: Convert to fraction form
    1,389,576.39/2,082,919.45 = 537,233.43/x
  3. Step 3: Cross multiply
    1,389,576.39x = 2,082,919.45 × 537,233.43
  4. Step 4: Simplify right side
    1,389,576.39x = 1,119,013,960,537.21
  5. Step 5: Solve for x
    x = 1,119,013,960,537.21/1,389,576.39
  6. Step 6: Final answer
    x = 805,291.43

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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.