Home / 1,373,444.20-2,060,166.30-426,910.60

Finding the Fourth Proportional to 1,373,444.20, 2,060,166.30 and 426,910.60

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Solution

The fourth proportional to 1,373,444.20, 2,060,166.30 and 426,910.60 is: 640,365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,444.20 : 2,060,166.30 = 426,910.60 : x
  2. Step 2: Convert to fraction form
    1,373,444.20/2,060,166.30 = 426,910.60/x
  3. Step 3: Cross multiply
    1,373,444.20x = 2,060,166.30 × 426,910.60
  4. Step 4: Simplify right side
    1,373,444.20x = 879,506,831,232.78
  5. Step 5: Solve for x
    x = 879,506,831,232.78/1,373,444.20
  6. Step 6: Final answer
    x = 640,365.90

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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.