Home / 1,361,254.50-2,043,144.27-687,808.76

Finding the Fourth Proportional to 1,361,254.50, 2,043,144.27 and 687,808.76

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Solution

The fourth proportional to 1,361,254.50, 2,043,144.27 and 687,808.76 is: 1,032,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,254.50 : 2,043,144.27 = 687,808.76 : x
  2. Step 2: Convert to fraction form
    1,361,254.50/2,043,144.27 = 687,808.76/x
  3. Step 3: Cross multiply
    1,361,254.50x = 2,043,144.27 × 687,808.76
  4. Step 4: Simplify right side
    1,361,254.50x = 1,405,292,516,634.08
  5. Step 5: Solve for x
    x = 1,405,292,516,634.08/1,361,254.50
  6. Step 6: Final answer
    x = 1,032,351.05

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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.