Home / 2,657,081.12-3,986,289.24-763,826

Finding the Fourth Proportional to 2,657,081.12, 3,986,289.24 and 763,826

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Solution

The fourth proportional to 2,657,081.12, 3,986,289.24 and 763,826 is: 1,145,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,081.12 : 3,986,289.24 = 763,826 : x
  2. Step 2: Convert to fraction form
    2,657,081.12/3,986,289.24 = 763,826/x
  3. Step 3: Cross multiply
    2,657,081.12x = 3,986,289.24 × 763,826
  4. Step 4: Simplify right side
    2,657,081.12x = 3,044,831,365,032.24
  5. Step 5: Solve for x
    x = 3,044,831,365,032.24/2,657,081.12
  6. Step 6: Final answer
    x = 1,145,930.90

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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.