Home / 1,373,586.29-2,060,396.83-520,428.76

Finding the Fourth Proportional to 1,373,586.29, 2,060,396.83 and 520,428.76

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Solution

The fourth proportional to 1,373,586.29, 2,060,396.83 and 520,428.76 is: 780,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,586.29 : 2,060,396.83 = 520,428.76 : x
  2. Step 2: Convert to fraction form
    1,373,586.29/2,060,396.83 = 520,428.76/x
  3. Step 3: Cross multiply
    1,373,586.29x = 2,060,396.83 × 520,428.76
  4. Step 4: Simplify right side
    1,373,586.29x = 1,072,289,768,619.25
  5. Step 5: Solve for x
    x = 1,072,289,768,619.25/1,373,586.29
  6. Step 6: Final answer
    x = 780,649.73

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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.