Home / 1,333,460.64-1,840,162.68-721,600.32

Finding the Fourth Proportional to 1,333,460.64, 1,840,162.68 and 721,600.32

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Solution

The fourth proportional to 1,333,460.64, 1,840,162.68 and 721,600.32 is: 995,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,460.64 : 1,840,162.68 = 721,600.32 : x
  2. Step 2: Convert to fraction form
    1,333,460.64/1,840,162.68 = 721,600.32/x
  3. Step 3: Cross multiply
    1,333,460.64x = 1,840,162.68 × 721,600.32
  4. Step 4: Simplify right side
    1,333,460.64x = 1,327,861,978,740.06
  5. Step 5: Solve for x
    x = 1,327,861,978,740.06/1,333,460.64
  6. Step 6: Final answer
    x = 995,801.40

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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.