Home / 1,278,617.44-1,918,258.32-1,051,287.76

Finding the Fourth Proportional to 1,278,617.44, 1,918,258.32 and 1,051,287.76

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Solution

The fourth proportional to 1,278,617.44, 1,918,258.32 and 1,051,287.76 is: 1,577,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,617.44 : 1,918,258.32 = 1,051,287.76 : x
  2. Step 2: Convert to fraction form
    1,278,617.44/1,918,258.32 = 1,051,287.76/x
  3. Step 3: Cross multiply
    1,278,617.44x = 1,918,258.32 × 1,051,287.76
  4. Step 4: Simplify right side
    1,278,617.44x = 2,016,641,492,334.16
  5. Step 5: Solve for x
    x = 2,016,641,492,334.16/1,278,617.44
  6. Step 6: Final answer
    x = 1,577,204.74

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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.