Home / 1,019,822.96-1,529,732.76-485,724.08

Finding the Fourth Proportional to 1,019,822.96, 1,529,732.76 and 485,724.08

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Solution

The fourth proportional to 1,019,822.96, 1,529,732.76 and 485,724.08 is: 728,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,822.96 : 1,529,732.76 = 485,724.08 : x
  2. Step 2: Convert to fraction form
    1,019,822.96/1,529,732.76 = 485,724.08/x
  3. Step 3: Cross multiply
    1,019,822.96x = 1,529,732.76 × 485,724.08
  4. Step 4: Simplify right side
    1,019,822.96x = 743,028,037,496.86
  5. Step 5: Solve for x
    x = 743,028,037,496.86/1,019,822.96
  6. Step 6: Final answer
    x = 728,585.32

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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.