Home / 1,764,076.32-2,431,848.52-1,246,917.78

Finding the Fourth Proportional to 1,764,076.32, 2,431,848.52 and 1,246,917.78

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Solution

The fourth proportional to 1,764,076.32, 2,431,848.52 and 1,246,917.78 is: 1,718,925.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,764,076.32 : 2,431,848.52 = 1,246,917.78 : x
  2. Step 2: Convert to fraction form
    1,764,076.32/2,431,848.52 = 1,246,917.78/x
  3. Step 3: Cross multiply
    1,764,076.32x = 2,431,848.52 × 1,246,917.78
  4. Step 4: Simplify right side
    1,764,076.32x = 3,032,315,157,854.69
  5. Step 5: Solve for x
    x = 3,032,315,157,854.69/1,764,076.32
  6. Step 6: Final answer
    x = 1,718,925.15

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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.