Home / 1,114,825-1,672,515.26-326,857

Finding the Fourth Proportional to 1,114,825, 1,672,515.26 and 326,857

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Solution

The fourth proportional to 1,114,825, 1,672,515.26 and 326,857 is: 490,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,825 : 1,672,515.26 = 326,857 : x
  2. Step 2: Convert to fraction form
    1,114,825/1,672,515.26 = 326,857/x
  3. Step 3: Cross multiply
    1,114,825x = 1,672,515.26 × 326,857
  4. Step 4: Simplify right side
    1,114,825x = 546,673,320,337.82
  5. Step 5: Solve for x
    x = 546,673,320,337.82/1,114,825
  6. Step 6: Final answer
    x = 490,366.94

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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.