Home / 1,499,120.41-2,068,786.09-810,792.31

Finding the Fourth Proportional to 1,499,120.41, 2,068,786.09 and 810,792.31

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Solution

The fourth proportional to 1,499,120.41, 2,068,786.09 and 810,792.31 is: 1,118,893.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499,120.41 : 2,068,786.09 = 810,792.31 : x
  2. Step 2: Convert to fraction form
    1,499,120.41/2,068,786.09 = 810,792.31/x
  3. Step 3: Cross multiply
    1,499,120.41x = 2,068,786.09 × 810,792.31
  4. Step 4: Simplify right side
    1,499,120.41x = 1,677,355,852,806.97
  5. Step 5: Solve for x
    x = 1,677,355,852,806.97/1,499,120.41
  6. Step 6: Final answer
    x = 1,118,893.35

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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.