Home / 1,198,859.52-1,798,309.12-400,145.24

Finding the Fourth Proportional to 1,198,859.52, 1,798,309.12 and 400,145.24

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Solution

The fourth proportional to 1,198,859.52, 1,798,309.12 and 400,145.24 is: 600,224.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,859.52 : 1,798,309.12 = 400,145.24 : x
  2. Step 2: Convert to fraction form
    1,198,859.52/1,798,309.12 = 400,145.24/x
  3. Step 3: Cross multiply
    1,198,859.52x = 1,798,309.12 × 400,145.24
  4. Step 4: Simplify right side
    1,198,859.52x = 719,584,834,416.59
  5. Step 5: Solve for x
    x = 719,584,834,416.59/1,198,859.52
  6. Step 6: Final answer
    x = 600,224.48

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Double scale
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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.