Home / 1,659,357.60-2,487,286.80-648,088.80

Finding the Fourth Proportional to 1,659,357.60, 2,487,286.80 and 648,088.80

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Solution

The fourth proportional to 1,659,357.60, 2,487,286.80 and 648,088.80 is: 971,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,357.60 : 2,487,286.80 = 648,088.80 : x
  2. Step 2: Convert to fraction form
    1,659,357.60/2,487,286.80 = 648,088.80/x
  3. Step 3: Cross multiply
    1,659,357.60x = 2,487,286.80 × 648,088.80
  4. Step 4: Simplify right side
    1,659,357.60x = 1,611,982,717,467.84
  5. Step 5: Solve for x
    x = 1,611,982,717,467.84/1,659,357.60
  6. Step 6: Final answer
    x = 971,449.87

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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.