Home / 1,344,856.03-1,855,072.12-821,321.03

Finding the Fourth Proportional to 1,344,856.03, 1,855,072.12 and 821,321.03

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Solution

The fourth proportional to 1,344,856.03, 1,855,072.12 and 821,321.03 is: 1,132,916.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,856.03 : 1,855,072.12 = 821,321.03 : x
  2. Step 2: Convert to fraction form
    1,344,856.03/1,855,072.12 = 821,321.03/x
  3. Step 3: Cross multiply
    1,344,856.03x = 1,855,072.12 × 821,321.03
  4. Step 4: Simplify right side
    1,344,856.03x = 1,523,609,740,216.08
  5. Step 5: Solve for x
    x = 1,523,609,740,216.08/1,344,856.03
  6. Step 6: Final answer
    x = 1,132,916.62

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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.