Home / 1,019,635.02-1,529,353.44-309,669.30

Finding the Fourth Proportional to 1,019,635.02, 1,529,353.44 and 309,669.30

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Solution

The fourth proportional to 1,019,635.02, 1,529,353.44 and 309,669.30 is: 464,473.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,635.02 : 1,529,353.44 = 309,669.30 : x
  2. Step 2: Convert to fraction form
    1,019,635.02/1,529,353.44 = 309,669.30/x
  3. Step 3: Cross multiply
    1,019,635.02x = 1,529,353.44 × 309,669.30
  4. Step 4: Simplify right side
    1,019,635.02x = 473,593,809,217.39
  5. Step 5: Solve for x
    x = 473,593,809,217.39/1,019,635.02
  6. Step 6: Final answer
    x = 464,473.86

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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.