Home / 1,355,556.12-2,033,348.78-408,935.04

Finding the Fourth Proportional to 1,355,556.12, 2,033,348.78 and 408,935.04

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Solution

The fourth proportional to 1,355,556.12, 2,033,348.78 and 408,935.04 is: 613,406.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,556.12 : 2,033,348.78 = 408,935.04 : x
  2. Step 2: Convert to fraction form
    1,355,556.12/2,033,348.78 = 408,935.04/x
  3. Step 3: Cross multiply
    1,355,556.12x = 2,033,348.78 × 408,935.04
  4. Step 4: Simplify right side
    1,355,556.12x = 831,507,564,683.25
  5. Step 5: Solve for x
    x = 831,507,564,683.25/1,355,556.12
  6. Step 6: Final answer
    x = 613,406.96

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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.