Home / 1,019,570.21-1,529,355.42-485,472

Finding the Fourth Proportional to 1,019,570.21, 1,529,355.42 and 485,472

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Solution

The fourth proportional to 1,019,570.21, 1,529,355.42 and 485,472 is: 728,208.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,570.21 : 1,529,355.42 = 485,472 : x
  2. Step 2: Convert to fraction form
    1,019,570.21/1,529,355.42 = 485,472/x
  3. Step 3: Cross multiply
    1,019,570.21x = 1,529,355.42 × 485,472
  4. Step 4: Simplify right side
    1,019,570.21x = 742,459,234,458.24
  5. Step 5: Solve for x
    x = 742,459,234,458.24/1,019,570.21
  6. Step 6: Final answer
    x = 728,208.05

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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.