Home / 1,027,134.52-1,539,867.06-428,541.64

Finding the Fourth Proportional to 1,027,134.52, 1,539,867.06 and 428,541.64

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Solution

The fourth proportional to 1,027,134.52, 1,539,867.06 and 428,541.64 is: 642,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,134.52 : 1,539,867.06 = 428,541.64 : x
  2. Step 2: Convert to fraction form
    1,027,134.52/1,539,867.06 = 428,541.64/x
  3. Step 3: Cross multiply
    1,027,134.52x = 1,539,867.06 × 428,541.64
  4. Step 4: Simplify right side
    1,027,134.52x = 659,897,155,274.38
  5. Step 5: Solve for x
    x = 659,897,155,274.38/1,027,134.52
  6. Step 6: Final answer
    x = 642,464.20

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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.