Home / 1,185,738.68-1,778,612.24-287,181.03

Finding the Fourth Proportional to 1,185,738.68, 1,778,612.24 and 287,181.03

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Solution

The fourth proportional to 1,185,738.68, 1,778,612.24 and 287,181.03 is: 430,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,738.68 : 1,778,612.24 = 287,181.03 : x
  2. Step 2: Convert to fraction form
    1,185,738.68/1,778,612.24 = 287,181.03/x
  3. Step 3: Cross multiply
    1,185,738.68x = 1,778,612.24 × 287,181.03
  4. Step 4: Simplify right side
    1,185,738.68x = 510,783,692,436.86
  5. Step 5: Solve for x
    x = 510,783,692,436.86/1,185,738.68
  6. Step 6: Final answer
    x = 430,772.56

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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.