Home / 746,638.10-1,119,961.20-185,672.60

Finding the Fourth Proportional to 746,638.10, 1,119,961.20 and 185,672.60

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Solution

The fourth proportional to 746,638.10, 1,119,961.20 and 185,672.60 is: 278,509.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,638.10 : 1,119,961.20 = 185,672.60 : x
  2. Step 2: Convert to fraction form
    746,638.10/1,119,961.20 = 185,672.60/x
  3. Step 3: Cross multiply
    746,638.10x = 1,119,961.20 × 185,672.60
  4. Step 4: Simplify right side
    746,638.10x = 207,946,107,903.12
  5. Step 5: Solve for x
    x = 207,946,107,903.12/746,638.10
  6. Step 6: Final answer
    x = 278,509.91

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1.5x scale

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.