Home / 1,008,315.80-1,512,036.30-409,077.80

Finding the Fourth Proportional to 1,008,315.80, 1,512,036.30 and 409,077.80

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Solution

The fourth proportional to 1,008,315.80, 1,512,036.30 and 409,077.80 is: 613,439.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,315.80 : 1,512,036.30 = 409,077.80 : x
  2. Step 2: Convert to fraction form
    1,008,315.80/1,512,036.30 = 409,077.80/x
  3. Step 3: Cross multiply
    1,008,315.80x = 1,512,036.30 × 409,077.80
  4. Step 4: Simplify right side
    1,008,315.80x = 618,540,483,124.14
  5. Step 5: Solve for x
    x = 618,540,483,124.14/1,008,315.80
  6. Step 6: Final answer
    x = 613,439.25

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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.