Home / 1,197,468.30-1,796,489.50-398,756.77

Finding the Fourth Proportional to 1,197,468.30, 1,796,489.50 and 398,756.77

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Solution

The fourth proportional to 1,197,468.30, 1,796,489.50 and 398,756.77 is: 598,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,197,468.30 : 1,796,489.50 = 398,756.77 : x
  2. Step 2: Convert to fraction form
    1,197,468.30/1,796,489.50 = 398,756.77/x
  3. Step 3: Cross multiply
    1,197,468.30x = 1,796,489.50 × 398,756.77
  4. Step 4: Simplify right side
    1,197,468.30x = 716,362,339,382.68
  5. Step 5: Solve for x
    x = 716,362,339,382.68/1,197,468.30
  6. Step 6: Final answer
    x = 598,230.73

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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.