Home / 1,021,733.88-1,532,786.64-422,369.52

Finding the Fourth Proportional to 1,021,733.88, 1,532,786.64 and 422,369.52

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Solution

The fourth proportional to 1,021,733.88, 1,532,786.64 and 422,369.52 is: 633,631.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,733.88 : 1,532,786.64 = 422,369.52 : x
  2. Step 2: Convert to fraction form
    1,021,733.88/1,532,786.64 = 422,369.52/x
  3. Step 3: Cross multiply
    1,021,733.88x = 1,532,786.64 × 422,369.52
  4. Step 4: Simplify right side
    1,021,733.88x = 647,402,357,399.21
  5. Step 5: Solve for x
    x = 647,402,357,399.21/1,021,733.88
  6. Step 6: Final answer
    x = 633,631.10

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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.