Home / 1,512,235.30-2,265,728.55-1,276,039.30

Finding the Fourth Proportional to 1,512,235.30, 2,265,728.55 and 1,276,039.30

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Solution

The fourth proportional to 1,512,235.30, 2,265,728.55 and 1,276,039.30 is: 1,911,844.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,235.30 : 2,265,728.55 = 1,276,039.30 : x
  2. Step 2: Convert to fraction form
    1,512,235.30/2,265,728.55 = 1,276,039.30/x
  3. Step 3: Cross multiply
    1,512,235.30x = 2,265,728.55 × 1,276,039.30
  4. Step 4: Simplify right side
    1,512,235.30x = 2,891,158,672,932.01
  5. Step 5: Solve for x
    x = 2,891,158,672,932.01/1,512,235.30
  6. Step 6: Final answer
    x = 1,911,844.45

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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.