Home / 1,113,367.36-1,672,015.20-829,135.12

Finding the Fourth Proportional to 1,113,367.36, 1,672,015.20 and 829,135.12

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Solution

The fourth proportional to 1,113,367.36, 1,672,015.20 and 829,135.12 is: 1,245,165.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,367.36 : 1,672,015.20 = 829,135.12 : x
  2. Step 2: Convert to fraction form
    1,113,367.36/1,672,015.20 = 829,135.12/x
  3. Step 3: Cross multiply
    1,113,367.36x = 1,672,015.20 × 829,135.12
  4. Step 4: Simplify right side
    1,113,367.36x = 1,386,326,523,493.82
  5. Step 5: Solve for x
    x = 1,386,326,523,493.82/1,113,367.36
  6. Step 6: Final answer
    x = 1,245,165.41

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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.