Home / 1,388,576.67-2,082,730.14-942,166.23

Finding the Fourth Proportional to 1,388,576.67, 2,082,730.14 and 942,166.23

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Solution

The fourth proportional to 1,388,576.67, 2,082,730.14 and 942,166.23 is: 1,413,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,576.67 : 2,082,730.14 = 942,166.23 : x
  2. Step 2: Convert to fraction form
    1,388,576.67/2,082,730.14 = 942,166.23/x
  3. Step 3: Cross multiply
    1,388,576.67x = 2,082,730.14 × 942,166.23
  4. Step 4: Simplify right side
    1,388,576.67x = 1,962,278,004,111.17
  5. Step 5: Solve for x
    x = 1,962,278,004,111.17/1,388,576.67
  6. Step 6: Final answer
    x = 1,413,157.84

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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.