Home / 1,368,416.80-2,052,914.98-408,947.10

Finding the Fourth Proportional to 1,368,416.80, 2,052,914.98 and 408,947.10

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Solution

The fourth proportional to 1,368,416.80, 2,052,914.98 and 408,947.10 is: 613,507.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,416.80 : 2,052,914.98 = 408,947.10 : x
  2. Step 2: Convert to fraction form
    1,368,416.80/2,052,914.98 = 408,947.10/x
  3. Step 3: Cross multiply
    1,368,416.80x = 2,052,914.98 × 408,947.10
  4. Step 4: Simplify right side
    1,368,416.80x = 839,533,627,617.56
  5. Step 5: Solve for x
    x = 839,533,627,617.56/1,368,416.80
  6. Step 6: Final answer
    x = 613,507.25

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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.