Home / 1,138,552.32-1,571,107.68-629,254.56

Finding the Fourth Proportional to 1,138,552.32, 1,571,107.68 and 629,254.56

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Solution

The fourth proportional to 1,138,552.32, 1,571,107.68 and 629,254.56 is: 868,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,552.32 : 1,571,107.68 = 629,254.56 : x
  2. Step 2: Convert to fraction form
    1,138,552.32/1,571,107.68 = 629,254.56/x
  3. Step 3: Cross multiply
    1,138,552.32x = 1,571,107.68 × 629,254.56
  4. Step 4: Simplify right side
    1,138,552.32x = 988,626,671,891.02
  5. Step 5: Solve for x
    x = 988,626,671,891.02/1,138,552.32
  6. Step 6: Final answer
    x = 868,319.05

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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.