Home / 1,212,310.30-1,818,399.53-370,862.05

Finding the Fourth Proportional to 1,212,310.30, 1,818,399.53 and 370,862.05

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Solution

The fourth proportional to 1,212,310.30, 1,818,399.53 and 370,862.05 is: 556,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,310.30 : 1,818,399.53 = 370,862.05 : x
  2. Step 2: Convert to fraction form
    1,212,310.30/1,818,399.53 = 370,862.05/x
  3. Step 3: Cross multiply
    1,212,310.30x = 1,818,399.53 × 370,862.05
  4. Step 4: Simplify right side
    1,212,310.30x = 674,375,366,468.53
  5. Step 5: Solve for x
    x = 674,375,366,468.53/1,212,310.30
  6. Step 6: Final answer
    x = 556,272.90

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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.