Home / 1,008,072.85-1,512,742.16-409,036.45

Finding the Fourth Proportional to 1,008,072.85, 1,512,742.16 and 409,036.45

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Solution

The fourth proportional to 1,008,072.85, 1,512,742.16 and 409,036.45 is: 613,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,072.85 : 1,512,742.16 = 409,036.45 : x
  2. Step 2: Convert to fraction form
    1,008,072.85/1,512,742.16 = 409,036.45/x
  3. Step 3: Cross multiply
    1,008,072.85x = 1,512,742.16 × 409,036.45
  4. Step 4: Simplify right side
    1,008,072.85x = 618,766,680,846.55
  5. Step 5: Solve for x
    x = 618,766,680,846.55/1,008,072.85
  6. Step 6: Final answer
    x = 613,811.47

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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.