Home / 1,407,497.07-1,942,350.12-762,919.83

Finding the Fourth Proportional to 1,407,497.07, 1,942,350.12 and 762,919.83

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Solution

The fourth proportional to 1,407,497.07, 1,942,350.12 and 762,919.83 is: 1,052,831.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,497.07 : 1,942,350.12 = 762,919.83 : x
  2. Step 2: Convert to fraction form
    1,407,497.07/1,942,350.12 = 762,919.83/x
  3. Step 3: Cross multiply
    1,407,497.07x = 1,942,350.12 × 762,919.83
  4. Step 4: Simplify right side
    1,407,497.07x = 1,481,857,423,350.88
  5. Step 5: Solve for x
    x = 1,481,857,423,350.88/1,407,497.07
  6. Step 6: Final answer
    x = 1,052,831.62

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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.