Home / 1,008,304.80-1,512,019.80-409,066.80

Finding the Fourth Proportional to 1,008,304.80, 1,512,019.80 and 409,066.80

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Solution

The fourth proportional to 1,008,304.80, 1,512,019.80 and 409,066.80 is: 613,422.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,304.80 : 1,512,019.80 = 409,066.80 : x
  2. Step 2: Convert to fraction form
    1,008,304.80/1,512,019.80 = 409,066.80/x
  3. Step 3: Cross multiply
    1,008,304.80x = 1,512,019.80 × 409,066.80
  4. Step 4: Simplify right side
    1,008,304.80x = 618,517,101,122.64
  5. Step 5: Solve for x
    x = 618,517,101,122.64/1,008,304.80
  6. Step 6: Final answer
    x = 613,422.75

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1.5x scale

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.