Home / 1,027,886.40-1,539,584.16-427,025.76

Finding the Fourth Proportional to 1,027,886.40, 1,539,584.16 and 427,025.76

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Solution

The fourth proportional to 1,027,886.40, 1,539,584.16 and 427,025.76 is: 639,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,886.40 : 1,539,584.16 = 427,025.76 : x
  2. Step 2: Convert to fraction form
    1,027,886.40/1,539,584.16 = 427,025.76/x
  3. Step 3: Cross multiply
    1,027,886.40x = 1,539,584.16 × 427,025.76
  4. Step 4: Simplify right side
    1,027,886.40x = 657,442,096,007.96
  5. Step 5: Solve for x
    x = 657,442,096,007.96/1,027,886.40
  6. Step 6: Final answer
    x = 639,605.79

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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.