Home / 1,355,618.80-2,033,442.60-408,997.72

Finding the Fourth Proportional to 1,355,618.80, 2,033,442.60 and 408,997.72

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Solution

The fourth proportional to 1,355,618.80, 2,033,442.60 and 408,997.72 is: 613,500.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,618.80 : 2,033,442.60 = 408,997.72 : x
  2. Step 2: Convert to fraction form
    1,355,618.80/2,033,442.60 = 408,997.72/x
  3. Step 3: Cross multiply
    1,355,618.80x = 2,033,442.60 × 408,997.72
  4. Step 4: Simplify right side
    1,355,618.80x = 831,673,387,150.87
  5. Step 5: Solve for x
    x = 831,673,387,150.87/1,355,618.80
  6. Step 6: Final answer
    x = 613,500.92

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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.