Home / 1,236,078.96-1,854,651.25-667,347.10

Finding the Fourth Proportional to 1,236,078.96, 1,854,651.25 and 667,347.10

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Solution

The fourth proportional to 1,236,078.96, 1,854,651.25 and 667,347.10 is: 1,001,308.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,078.96 : 1,854,651.25 = 667,347.10 : x
  2. Step 2: Convert to fraction form
    1,236,078.96/1,854,651.25 = 667,347.10/x
  3. Step 3: Cross multiply
    1,236,078.96x = 1,854,651.25 × 667,347.10
  4. Step 4: Simplify right side
    1,236,078.96x = 1,237,696,141,705.76
  5. Step 5: Solve for x
    x = 1,237,696,141,705.76/1,236,078.96
  6. Step 6: Final answer
    x = 1,001,308.32

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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.