Home / 1,388,834.52-2,068,074.45-1,337,757.48

Finding the Fourth Proportional to 1,388,834.52, 2,068,074.45 and 1,337,757.48

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Solution

The fourth proportional to 1,388,834.52, 2,068,074.45 and 1,337,757.48 is: 1,992,017.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,834.52 : 2,068,074.45 = 1,337,757.48 : x
  2. Step 2: Convert to fraction form
    1,388,834.52/2,068,074.45 = 1,337,757.48/x
  3. Step 3: Cross multiply
    1,388,834.52x = 2,068,074.45 × 1,337,757.48
  4. Step 4: Simplify right side
    1,388,834.52x = 2,766,582,064,684.39
  5. Step 5: Solve for x
    x = 2,766,582,064,684.39/1,388,834.52
  6. Step 6: Final answer
    x = 1,992,017.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.