Home / 1,517,509.08-2,094,204.78-838,489.32

Finding the Fourth Proportional to 1,517,509.08, 2,094,204.78 and 838,489.32

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Solution

The fourth proportional to 1,517,509.08, 2,094,204.78 and 838,489.32 is: 1,157,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,509.08 : 2,094,204.78 = 838,489.32 : x
  2. Step 2: Convert to fraction form
    1,517,509.08/2,094,204.78 = 838,489.32/x
  3. Step 3: Cross multiply
    1,517,509.08x = 2,094,204.78 × 838,489.32
  4. Step 4: Simplify right side
    1,517,509.08x = 1,755,968,341,922.95
  5. Step 5: Solve for x
    x = 1,755,968,341,922.95/1,517,509.08
  6. Step 6: Final answer
    x = 1,157,138.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.