Home / 1,683,820.87-2,322,984.69-1,243,350.90

Finding the Fourth Proportional to 1,683,820.87, 2,322,984.69 and 1,243,350.90

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Solution

The fourth proportional to 1,683,820.87, 2,322,984.69 and 1,243,350.90 is: 1,715,316.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683,820.87 : 2,322,984.69 = 1,243,350.90 : x
  2. Step 2: Convert to fraction form
    1,683,820.87/2,322,984.69 = 1,243,350.90/x
  3. Step 3: Cross multiply
    1,683,820.87x = 2,322,984.69 × 1,243,350.90
  4. Step 4: Simplify right side
    1,683,820.87x = 2,888,285,104,997.72
  5. Step 5: Solve for x
    x = 2,888,285,104,997.72/1,683,820.87
  6. Step 6: Final answer
    x = 1,715,316.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.