Home / 1,311,571.22-1,967,427.03-413,082.98

Finding the Fourth Proportional to 1,311,571.22, 1,967,427.03 and 413,082.98

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Solution

The fourth proportional to 1,311,571.22, 1,967,427.03 and 413,082.98 is: 619,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,571.22 : 1,967,427.03 = 413,082.98 : x
  2. Step 2: Convert to fraction form
    1,311,571.22/1,967,427.03 = 413,082.98/x
  3. Step 3: Cross multiply
    1,311,571.22x = 1,967,427.03 × 413,082.98
  4. Step 4: Simplify right side
    1,311,571.22x = 812,710,620,484.95
  5. Step 5: Solve for x
    x = 812,710,620,484.95/1,311,571.22
  6. Step 6: Final answer
    x = 619,646.58

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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.