Home / 1,068,062.64-1,600,986.68-667,784.33

Finding the Fourth Proportional to 1,068,062.64, 1,600,986.68 and 667,784.33

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Solution

The fourth proportional to 1,068,062.64, 1,600,986.68 and 667,784.33 is: 1,000,984.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,062.64 : 1,600,986.68 = 667,784.33 : x
  2. Step 2: Convert to fraction form
    1,068,062.64/1,600,986.68 = 667,784.33/x
  3. Step 3: Cross multiply
    1,068,062.64x = 1,600,986.68 × 667,784.33
  4. Step 4: Simplify right side
    1,068,062.64x = 1,069,113,817,442.72
  5. Step 5: Solve for x
    x = 1,069,113,817,442.72/1,068,062.64
  6. Step 6: Final answer
    x = 1,000,984.19

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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.