Home / 1,230,742.08-1,846,180.32-389,231.04

Finding the Fourth Proportional to 1,230,742.08, 1,846,180.32 and 389,231.04

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Solution

The fourth proportional to 1,230,742.08, 1,846,180.32 and 389,231.04 is: 583,867.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,742.08 : 1,846,180.32 = 389,231.04 : x
  2. Step 2: Convert to fraction form
    1,230,742.08/1,846,180.32 = 389,231.04/x
  3. Step 3: Cross multiply
    1,230,742.08x = 1,846,180.32 × 389,231.04
  4. Step 4: Simplify right side
    1,230,742.08x = 718,590,685,981.13
  5. Step 5: Solve for x
    x = 718,590,685,981.13/1,230,742.08
  6. Step 6: Final answer
    x = 583,867.81

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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.