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Finding the Fourth Proportional to 1,114,824, 1,672,513.76 and 326,856

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Solution

The fourth proportional to 1,114,824, 1,672,513.76 and 326,856 is: 490,365.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,824 : 1,672,513.76 = 326,856 : x
  2. Step 2: Convert to fraction form
    1,114,824/1,672,513.76 = 326,856/x
  3. Step 3: Cross multiply
    1,114,824x = 1,672,513.76 × 326,856
  4. Step 4: Simplify right side
    1,114,824x = 546,671,157,538.56
  5. Step 5: Solve for x
    x = 546,671,157,538.56/1,114,824
  6. Step 6: Final answer
    x = 490,365.44

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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.