Home / 1,680,660.64-2,319,491.34-1,027,669.36

Finding the Fourth Proportional to 1,680,660.64, 2,319,491.34 and 1,027,669.36

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Solution

The fourth proportional to 1,680,660.64, 2,319,491.34 and 1,027,669.36 is: 1,418,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,660.64 : 2,319,491.34 = 1,027,669.36 : x
  2. Step 2: Convert to fraction form
    1,680,660.64/2,319,491.34 = 1,027,669.36/x
  3. Step 3: Cross multiply
    1,680,660.64x = 2,319,491.34 × 1,027,669.36
  4. Step 4: Simplify right side
    1,680,660.64x = 2,383,670,180,903.34
  5. Step 5: Solve for x
    x = 2,383,670,180,903.34/1,680,660.64
  6. Step 6: Final answer
    x = 1,418,293.57

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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.