Home / 1,008,192.80-1,511,122.80-408,857.60

Finding the Fourth Proportional to 1,008,192.80, 1,511,122.80 and 408,857.60

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Solution

The fourth proportional to 1,008,192.80, 1,511,122.80 and 408,857.60 is: 612,813.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,192.80 : 1,511,122.80 = 408,857.60 : x
  2. Step 2: Convert to fraction form
    1,008,192.80/1,511,122.80 = 408,857.60/x
  3. Step 3: Cross multiply
    1,008,192.80x = 1,511,122.80 × 408,857.60
  4. Step 4: Simplify right side
    1,008,192.80x = 617,834,041,313.28
  5. Step 5: Solve for x
    x = 617,834,041,313.28/1,008,192.80
  6. Step 6: Final answer
    x = 612,813.38

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1.5x scale

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.