Home / 1,097,609.07-1,646,609.45-388,049.07

Finding the Fourth Proportional to 1,097,609.07, 1,646,609.45 and 388,049.07

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Solution

The fourth proportional to 1,097,609.07, 1,646,609.45 and 388,049.07 is: 582,142.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,609.07 : 1,646,609.45 = 388,049.07 : x
  2. Step 2: Convert to fraction form
    1,097,609.07/1,646,609.45 = 388,049.07/x
  3. Step 3: Cross multiply
    1,097,609.07x = 1,646,609.45 × 388,049.07
  4. Step 4: Simplify right side
    1,097,609.07x = 638,965,263,785.47
  5. Step 5: Solve for x
    x = 638,965,263,785.47/1,097,609.07
  6. Step 6: Final answer
    x = 582,142.84

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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.