Home / 1,079,099.28-1,618,647.12-320,937.12

Finding the Fourth Proportional to 1,079,099.28, 1,618,647.12 and 320,937.12

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Solution

The fourth proportional to 1,079,099.28, 1,618,647.12 and 320,937.12 is: 481,405.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,099.28 : 1,618,647.12 = 320,937.12 : x
  2. Step 2: Convert to fraction form
    1,079,099.28/1,618,647.12 = 320,937.12/x
  3. Step 3: Cross multiply
    1,079,099.28x = 1,618,647.12 × 320,937.12
  4. Step 4: Simplify right side
    1,079,099.28x = 519,483,944,989.09
  5. Step 5: Solve for x
    x = 519,483,944,989.09/1,079,099.28
  6. Step 6: Final answer
    x = 481,405.14

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1.5x scale

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.