Home / 1,021,356.24-1,531,788.32-452,422.78

Finding the Fourth Proportional to 1,021,356.24, 1,531,788.32 and 452,422.78

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Solution

The fourth proportional to 1,021,356.24, 1,531,788.32 and 452,422.78 is: 678,525.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,356.24 : 1,531,788.32 = 452,422.78 : x
  2. Step 2: Convert to fraction form
    1,021,356.24/1,531,788.32 = 452,422.78/x
  3. Step 3: Cross multiply
    1,021,356.24x = 1,531,788.32 × 452,422.78
  4. Step 4: Simplify right side
    1,021,356.24x = 693,015,930,105.93
  5. Step 5: Solve for x
    x = 693,015,930,105.93/1,021,356.24
  6. Step 6: Final answer
    x = 678,525.18

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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.