Home / 1,445,155.75-2,161,742.60-1,100,995.08

Finding the Fourth Proportional to 1,445,155.75, 2,161,742.60 and 1,100,995.08

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Solution

The fourth proportional to 1,445,155.75, 2,161,742.60 and 1,100,995.08 is: 1,646,928.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,155.75 : 2,161,742.60 = 1,100,995.08 : x
  2. Step 2: Convert to fraction form
    1,445,155.75/2,161,742.60 = 1,100,995.08/x
  3. Step 3: Cross multiply
    1,445,155.75x = 2,161,742.60 × 1,100,995.08
  4. Step 4: Simplify right side
    1,445,155.75x = 2,380,067,966,826.41
  5. Step 5: Solve for x
    x = 2,380,067,966,826.41/1,445,155.75
  6. Step 6: Final answer
    x = 1,646,928.34

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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.