Home / 1,510,619.22-2,084,701.49-822,336.90

Finding the Fourth Proportional to 1,510,619.22, 2,084,701.49 and 822,336.90

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Solution

The fourth proportional to 1,510,619.22, 2,084,701.49 and 822,336.90 is: 1,134,850.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,619.22 : 2,084,701.49 = 822,336.90 : x
  2. Step 2: Convert to fraction form
    1,510,619.22/2,084,701.49 = 822,336.90/x
  3. Step 3: Cross multiply
    1,510,619.22x = 2,084,701.49 × 822,336.90
  4. Step 4: Simplify right side
    1,510,619.22x = 1,714,326,956,600.30
  5. Step 5: Solve for x
    x = 1,714,326,956,600.30/1,510,619.22
  6. Step 6: Final answer
    x = 1,134,850.49

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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.