Home / 1,992,756.78-2,989,181.34-713,451.69

Finding the Fourth Proportional to 1,992,756.78, 2,989,181.34 and 713,451.69

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Solution

The fourth proportional to 1,992,756.78, 2,989,181.34 and 713,451.69 is: 1,070,194.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,756.78 : 2,989,181.34 = 713,451.69 : x
  2. Step 2: Convert to fraction form
    1,992,756.78/2,989,181.34 = 713,451.69/x
  3. Step 3: Cross multiply
    1,992,756.78x = 2,989,181.34 × 713,451.69
  4. Step 4: Simplify right side
    1,992,756.78x = 2,132,636,478,739.46
  5. Step 5: Solve for x
    x = 2,132,636,478,739.46/1,992,756.78
  6. Step 6: Final answer
    x = 1,070,194.06

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.