Home / 1,373,281.60-2,060,116.80-426,553.60

Finding the Fourth Proportional to 1,373,281.60, 2,060,116.80 and 426,553.60

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Solution

The fourth proportional to 1,373,281.60, 2,060,116.80 and 426,553.60 is: 639,890.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,281.60 : 2,060,116.80 = 426,553.60 : x
  2. Step 2: Convert to fraction form
    1,373,281.60/2,060,116.80 = 426,553.60/x
  3. Step 3: Cross multiply
    1,373,281.60x = 2,060,116.80 × 426,553.60
  4. Step 4: Simplify right side
    1,373,281.60x = 878,750,237,460.48
  5. Step 5: Solve for x
    x = 878,750,237,460.48/1,373,281.60
  6. Step 6: Final answer
    x = 639,890.78

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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.