Home / 1,787,494.68-2,679,730.32-775,856.28

Finding the Fourth Proportional to 1,787,494.68, 2,679,730.32 and 775,856.28

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Solution

The fourth proportional to 1,787,494.68, 2,679,730.32 and 775,856.28 is: 1,163,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,494.68 : 2,679,730.32 = 775,856.28 : x
  2. Step 2: Convert to fraction form
    1,787,494.68/2,679,730.32 = 775,856.28/x
  3. Step 3: Cross multiply
    1,787,494.68x = 2,679,730.32 × 775,856.28
  4. Step 4: Simplify right side
    1,787,494.68x = 2,079,085,597,478.41
  5. Step 5: Solve for x
    x = 2,079,085,597,478.41/1,787,494.68
  6. Step 6: Final answer
    x = 1,163,128.27

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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.