Home / 1,069,971.20-1,605,187.20-322,092.80

Finding the Fourth Proportional to 1,069,971.20, 1,605,187.20 and 322,092.80

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Solution

The fourth proportional to 1,069,971.20, 1,605,187.20 and 322,092.80 is: 483,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,971.20 : 1,605,187.20 = 322,092.80 : x
  2. Step 2: Convert to fraction form
    1,069,971.20/1,605,187.20 = 322,092.80/x
  3. Step 3: Cross multiply
    1,069,971.20x = 1,605,187.20 × 322,092.80
  4. Step 4: Simplify right side
    1,069,971.20x = 517,019,239,772.16
  5. Step 5: Solve for x
    x = 517,019,239,772.16/1,069,971.20
  6. Step 6: Final answer
    x = 483,208.56

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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.