Home / 1,659,268.60-2,487,153.30-647,999.80

Finding the Fourth Proportional to 1,659,268.60, 2,487,153.30 and 647,999.80

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Solution

The fourth proportional to 1,659,268.60, 2,487,153.30 and 647,999.80 is: 971,316.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,268.60 : 2,487,153.30 = 647,999.80 : x
  2. Step 2: Convert to fraction form
    1,659,268.60/2,487,153.30 = 647,999.80/x
  3. Step 3: Cross multiply
    1,659,268.60x = 2,487,153.30 × 647,999.80
  4. Step 4: Simplify right side
    1,659,268.60x = 1,611,674,840,969.34
  5. Step 5: Solve for x
    x = 1,611,674,840,969.34/1,659,268.60
  6. Step 6: Final answer
    x = 971,316.42

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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.