Home / 1,330,502.60-1,995,753.90-770,630.60

Finding the Fourth Proportional to 1,330,502.60, 1,995,753.90 and 770,630.60

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Solution

The fourth proportional to 1,330,502.60, 1,995,753.90 and 770,630.60 is: 1,155,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,502.60 : 1,995,753.90 = 770,630.60 : x
  2. Step 2: Convert to fraction form
    1,330,502.60/1,995,753.90 = 770,630.60/x
  3. Step 3: Cross multiply
    1,330,502.60x = 1,995,753.90 × 770,630.60
  4. Step 4: Simplify right side
    1,330,502.60x = 1,537,989,025,409.34
  5. Step 5: Solve for x
    x = 1,537,989,025,409.34/1,330,502.60
  6. Step 6: Final answer
    x = 1,155,945.90

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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.