Home / 902,407.40-1,353,611.10-800,930.60

Finding the Fourth Proportional to 902,407.40, 1,353,611.10 and 800,930.60

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Solution

The fourth proportional to 902,407.40, 1,353,611.10 and 800,930.60 is: 1,201,395.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,407.40 : 1,353,611.10 = 800,930.60 : x
  2. Step 2: Convert to fraction form
    902,407.40/1,353,611.10 = 800,930.60/x
  3. Step 3: Cross multiply
    902,407.40x = 1,353,611.10 × 800,930.60
  4. Step 4: Simplify right side
    902,407.40x = 1,084,148,550,489.66
  5. Step 5: Solve for x
    x = 1,084,148,550,489.66/902,407.40
  6. Step 6: Final answer
    x = 1,201,395.90

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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.