Home / 919,941.80-1,379,912.70-837,273.20

Finding the Fourth Proportional to 919,941.80, 1,379,912.70 and 837,273.20

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Solution

The fourth proportional to 919,941.80, 1,379,912.70 and 837,273.20 is: 1,255,909.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,941.80 : 1,379,912.70 = 837,273.20 : x
  2. Step 2: Convert to fraction form
    919,941.80/1,379,912.70 = 837,273.20/x
  3. Step 3: Cross multiply
    919,941.80x = 1,379,912.70 × 837,273.20
  4. Step 4: Simplify right side
    919,941.80x = 1,155,363,922,049.64
  5. Step 5: Solve for x
    x = 1,155,363,922,049.64/919,941.80
  6. Step 6: Final answer
    x = 1,255,909.80

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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.