Home / 842,541.60-1,261,844.10-825,628.80

Finding the Fourth Proportional to 842,541.60, 1,261,844.10 and 825,628.80

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Solution

The fourth proportional to 842,541.60, 1,261,844.10 and 825,628.80 is: 1,236,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,541.60 : 1,261,844.10 = 825,628.80 : x
  2. Step 2: Convert to fraction form
    842,541.60/1,261,844.10 = 825,628.80/x
  3. Step 3: Cross multiply
    842,541.60x = 1,261,844.10 × 825,628.80
  4. Step 4: Simplify right side
    842,541.60x = 1,041,814,830,070.08
  5. Step 5: Solve for x
    x = 1,041,814,830,070.08/842,541.60
  6. Step 6: Final answer
    x = 1,236,514.41

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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.