Home / 4,290,560.80-6,436,705.20-1,257,920.80

Finding the Fourth Proportional to 4,290,560.80, 6,436,705.20 and 1,257,920.80

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Solution

The fourth proportional to 4,290,560.80, 6,436,705.20 and 1,257,920.80 is: 1,887,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290,560.80 : 6,436,705.20 = 1,257,920.80 : x
  2. Step 2: Convert to fraction form
    4,290,560.80/6,436,705.20 = 1,257,920.80/x
  3. Step 3: Cross multiply
    4,290,560.80x = 6,436,705.20 × 1,257,920.80
  4. Step 4: Simplify right side
    4,290,560.80x = 8,096,865,354,548.16
  5. Step 5: Solve for x
    x = 8,096,865,354,548.16/4,290,560.80
  6. Step 6: Final answer
    x = 1,887,134.51

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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.