Home / 908,511.45-1,361,290.95-781,556.10

Finding the Fourth Proportional to 908,511.45, 1,361,290.95 and 781,556.10

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Solution

The fourth proportional to 908,511.45, 1,361,290.95 and 781,556.10 is: 1,171,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,511.45 : 1,361,290.95 = 781,556.10 : x
  2. Step 2: Convert to fraction form
    908,511.45/1,361,290.95 = 781,556.10/x
  3. Step 3: Cross multiply
    908,511.45x = 1,361,290.95 × 781,556.10
  4. Step 4: Simplify right side
    908,511.45x = 1,063,925,245,847.30
  5. Step 5: Solve for x
    x = 1,063,925,245,847.30/908,511.45
  6. Step 6: Final answer
    x = 1,171,064.21

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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.