Home / 1,333,523.37-1,840,247.88-721,662.60

Finding the Fourth Proportional to 1,333,523.37, 1,840,247.88 and 721,662.60

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Solution

The fourth proportional to 1,333,523.37, 1,840,247.88 and 721,662.60 is: 995,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,523.37 : 1,840,247.88 = 721,662.60 : x
  2. Step 2: Convert to fraction form
    1,333,523.37/1,840,247.88 = 721,662.60/x
  3. Step 3: Cross multiply
    1,333,523.37x = 1,840,247.88 × 721,662.60
  4. Step 4: Simplify right side
    1,333,523.37x = 1,328,038,069,725.29
  5. Step 5: Solve for x
    x = 1,328,038,069,725.29/1,333,523.37
  6. Step 6: Final answer
    x = 995,886.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.