Home / 1,212,704.10-1,819,062.45-314,082.90

Finding the Fourth Proportional to 1,212,704.10, 1,819,062.45 and 314,082.90

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Solution

The fourth proportional to 1,212,704.10, 1,819,062.45 and 314,082.90 is: 471,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,704.10 : 1,819,062.45 = 314,082.90 : x
  2. Step 2: Convert to fraction form
    1,212,704.10/1,819,062.45 = 314,082.90/x
  3. Step 3: Cross multiply
    1,212,704.10x = 1,819,062.45 × 314,082.90
  4. Step 4: Simplify right side
    1,212,704.10x = 571,336,409,577.11
  5. Step 5: Solve for x
    x = 571,336,409,577.11/1,212,704.10
  6. Step 6: Final answer
    x = 471,125.98

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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.