Home / 907,747.60-1,361,621.40-851,760.40

Finding the Fourth Proportional to 907,747.60, 1,361,621.40 and 851,760.40

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Solution

The fourth proportional to 907,747.60, 1,361,621.40 and 851,760.40 is: 1,277,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,747.60 : 1,361,621.40 = 851,760.40 : x
  2. Step 2: Convert to fraction form
    907,747.60/1,361,621.40 = 851,760.40/x
  3. Step 3: Cross multiply
    907,747.60x = 1,361,621.40 × 851,760.40
  4. Step 4: Simplify right side
    907,747.60x = 1,159,775,188,312.56
  5. Step 5: Solve for x
    x = 1,159,775,188,312.56/907,747.60
  6. Step 6: Final answer
    x = 1,277,640.60

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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.