Home / 1,540,659.42-2,311,536.08-687,653.41

Finding the Fourth Proportional to 1,540,659.42, 2,311,536.08 and 687,653.41

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Solution

The fourth proportional to 1,540,659.42, 2,311,536.08 and 687,653.41 is: 1,031,724.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,659.42 : 2,311,536.08 = 687,653.41 : x
  2. Step 2: Convert to fraction form
    1,540,659.42/2,311,536.08 = 687,653.41/x
  3. Step 3: Cross multiply
    1,540,659.42x = 2,311,536.08 × 687,653.41
  4. Step 4: Simplify right side
    1,540,659.42x = 1,589,535,664,311.77
  5. Step 5: Solve for x
    x = 1,589,535,664,311.77/1,540,659.42
  6. Step 6: Final answer
    x = 1,031,724.24

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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.