Home / 1,270,990.32-1,906,483.87-324,361.06

Finding the Fourth Proportional to 1,270,990.32, 1,906,483.87 and 324,361.06

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Solution

The fourth proportional to 1,270,990.32, 1,906,483.87 and 324,361.06 is: 486,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,990.32 : 1,906,483.87 = 324,361.06 : x
  2. Step 2: Convert to fraction form
    1,270,990.32/1,906,483.87 = 324,361.06/x
  3. Step 3: Cross multiply
    1,270,990.32x = 1,906,483.87 × 324,361.06
  4. Step 4: Simplify right side
    1,270,990.32x = 618,389,128,946.10
  5. Step 5: Solve for x
    x = 618,389,128,946.10/1,270,990.32
  6. Step 6: Final answer
    x = 486,541.18

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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.