Home / 892,513.27-1,338,783.95-891,201.07

Finding the Fourth Proportional to 892,513.27, 1,338,783.95 and 891,201.07

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Solution

The fourth proportional to 892,513.27, 1,338,783.95 and 891,201.07 is: 1,336,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,513.27 : 1,338,783.95 = 891,201.07 : x
  2. Step 2: Convert to fraction form
    892,513.27/1,338,783.95 = 891,201.07/x
  3. Step 3: Cross multiply
    892,513.27x = 1,338,783.95 × 891,201.07
  4. Step 4: Simplify right side
    892,513.27x = 1,193,125,688,738.83
  5. Step 5: Solve for x
    x = 1,193,125,688,738.83/892,513.27
  6. Step 6: Final answer
    x = 1,336,815.63

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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.