Home / 1,355,415.81-2,033,138.29-408,794.73

Finding the Fourth Proportional to 1,355,415.81, 2,033,138.29 and 408,794.73

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Solution

The fourth proportional to 1,355,415.81, 2,033,138.29 and 408,794.73 is: 613,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,415.81 : 2,033,138.29 = 408,794.73 : x
  2. Step 2: Convert to fraction form
    1,355,415.81/2,033,138.29 = 408,794.73/x
  3. Step 3: Cross multiply
    1,355,415.81x = 2,033,138.29 × 408,794.73
  4. Step 4: Simplify right side
    1,355,415.81x = 831,136,218,313.21
  5. Step 5: Solve for x
    x = 831,136,218,313.21/1,355,415.81
  6. Step 6: Final answer
    x = 613,196.49

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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.