Home / 1,355,712.16-2,033,621.28-409,083.04

Finding the Fourth Proportional to 1,355,712.16, 2,033,621.28 and 409,083.04

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Solution

The fourth proportional to 1,355,712.16, 2,033,621.28 and 409,083.04 is: 613,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,712.16 : 2,033,621.28 = 409,083.04 : x
  2. Step 2: Convert to fraction form
    1,355,712.16/2,033,621.28 = 409,083.04/x
  3. Step 3: Cross multiply
    1,355,712.16x = 2,033,621.28 × 409,083.04
  4. Step 4: Simplify right side
    1,355,712.16x = 831,919,975,431.09
  5. Step 5: Solve for x
    x = 831,919,975,431.09/1,355,712.16
  6. Step 6: Final answer
    x = 613,640.56

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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.