Home / 1,355,431.62-2,033,162.04-408,810.54

Finding the Fourth Proportional to 1,355,431.62, 2,033,162.04 and 408,810.54

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Solution

The fourth proportional to 1,355,431.62, 2,033,162.04 and 408,810.54 is: 613,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,431.62 : 2,033,162.04 = 408,810.54 : x
  2. Step 2: Convert to fraction form
    1,355,431.62/2,033,162.04 = 408,810.54/x
  3. Step 3: Cross multiply
    1,355,431.62x = 2,033,162.04 × 408,810.54
  4. Step 4: Simplify right side
    1,355,431.62x = 831,178,071,479.90
  5. Step 5: Solve for x
    x = 831,178,071,479.90/1,355,431.62
  6. Step 6: Final answer
    x = 613,220.22

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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.