Home / 1,102,429.38-1,652,862.22-427,942.18

Finding the Fourth Proportional to 1,102,429.38, 1,652,862.22 and 427,942.18

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Solution

The fourth proportional to 1,102,429.38, 1,652,862.22 and 427,942.18 is: 641,609.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,429.38 : 1,652,862.22 = 427,942.18 : x
  2. Step 2: Convert to fraction form
    1,102,429.38/1,652,862.22 = 427,942.18/x
  3. Step 3: Cross multiply
    1,102,429.38x = 1,652,862.22 × 427,942.18
  4. Step 4: Simplify right side
    1,102,429.38x = 707,329,461,666.44
  5. Step 5: Solve for x
    x = 707,329,461,666.44/1,102,429.38
  6. Step 6: Final answer
    x = 641,609.77

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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.