Home / 1,050,021.21-1,448,650.37-687,651.71

Finding the Fourth Proportional to 1,050,021.21, 1,448,650.37 and 687,651.71

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Solution

The fourth proportional to 1,050,021.21, 1,448,650.37 and 687,651.71 is: 948,711.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,021.21 : 1,448,650.37 = 687,651.71 : x
  2. Step 2: Convert to fraction form
    1,050,021.21/1,448,650.37 = 687,651.71/x
  3. Step 3: Cross multiply
    1,050,021.21x = 1,448,650.37 × 687,651.71
  4. Step 4: Simplify right side
    1,050,021.21x = 996,166,893,441.12
  5. Step 5: Solve for x
    x = 996,166,893,441.12/1,050,021.21
  6. Step 6: Final answer
    x = 948,711.21

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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.