Home / 1,397,629.08-2,096,490.20-386,666.33

Finding the Fourth Proportional to 1,397,629.08, 2,096,490.20 and 386,666.33

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Solution

The fourth proportional to 1,397,629.08, 2,096,490.20 and 386,666.33 is: 580,012.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,629.08 : 2,096,490.20 = 386,666.33 : x
  2. Step 2: Convert to fraction form
    1,397,629.08/2,096,490.20 = 386,666.33/x
  3. Step 3: Cross multiply
    1,397,629.08x = 2,096,490.20 × 386,666.33
  4. Step 4: Simplify right side
    1,397,629.08x = 810,642,159,099.18
  5. Step 5: Solve for x
    x = 810,642,159,099.18/1,397,629.08
  6. Step 6: Final answer
    x = 580,012.37

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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.