Home / 1,116,147.30-1,674,183.90-485,061.72

Finding the Fourth Proportional to 1,116,147.30, 1,674,183.90 and 485,061.72

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Solution

The fourth proportional to 1,116,147.30, 1,674,183.90 and 485,061.72 is: 727,576.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,147.30 : 1,674,183.90 = 485,061.72 : x
  2. Step 2: Convert to fraction form
    1,116,147.30/1,674,183.90 = 485,061.72/x
  3. Step 3: Cross multiply
    1,116,147.30x = 1,674,183.90 × 485,061.72
  4. Step 4: Simplify right side
    1,116,147.30x = 812,082,522,130.31
  5. Step 5: Solve for x
    x = 812,082,522,130.31/1,116,147.30
  6. Step 6: Final answer
    x = 727,576.48

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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.