Home / 1,373,080.40-2,060,009.40-426,546.80

Finding the Fourth Proportional to 1,373,080.40, 2,060,009.40 and 426,546.80

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Solution

The fourth proportional to 1,373,080.40, 2,060,009.40 and 426,546.80 is: 639,940.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,080.40 : 2,060,009.40 = 426,546.80 : x
  2. Step 2: Convert to fraction form
    1,373,080.40/2,060,009.40 = 426,546.80/x
  3. Step 3: Cross multiply
    1,373,080.40x = 2,060,009.40 × 426,546.80
  4. Step 4: Simplify right side
    1,373,080.40x = 878,690,417,539.92
  5. Step 5: Solve for x
    x = 878,690,417,539.92/1,373,080.40
  6. Step 6: Final answer
    x = 639,940.98

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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.