Home / 1,138,823.18-1,571,514.32-629,492.75

Finding the Fourth Proportional to 1,138,823.18, 1,571,514.32 and 629,492.75

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Solution

The fourth proportional to 1,138,823.18, 1,571,514.32 and 629,492.75 is: 868,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,823.18 : 1,571,514.32 = 629,492.75 : x
  2. Step 2: Convert to fraction form
    1,138,823.18/1,571,514.32 = 629,492.75/x
  3. Step 3: Cross multiply
    1,138,823.18x = 1,571,514.32 × 629,492.75
  4. Step 4: Simplify right side
    1,138,823.18x = 989,256,867,813.72
  5. Step 5: Solve for x
    x = 989,256,867,813.72/1,138,823.18
  6. Step 6: Final answer
    x = 868,665.90

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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.