Home / 1,113,135.36-1,669,697.28-271,691.52

Finding the Fourth Proportional to 1,113,135.36, 1,669,697.28 and 271,691.52

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Solution

The fourth proportional to 1,113,135.36, 1,669,697.28 and 271,691.52 is: 407,535.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,135.36 : 1,669,697.28 = 271,691.52 : x
  2. Step 2: Convert to fraction form
    1,113,135.36/1,669,697.28 = 271,691.52/x
  3. Step 3: Cross multiply
    1,113,135.36x = 1,669,697.28 × 271,691.52
  4. Step 4: Simplify right side
    1,113,135.36x = 453,642,591,943.07
  5. Step 5: Solve for x
    x = 453,642,591,943.07/1,113,135.36
  6. Step 6: Final answer
    x = 407,535.87

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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.