Home / 1,333,433.07-1,840,137.63-721,585.83

Finding the Fourth Proportional to 1,333,433.07, 1,840,137.63 and 721,585.83

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Solution

The fourth proportional to 1,333,433.07, 1,840,137.63 and 721,585.83 is: 995,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,433.07 : 1,840,137.63 = 721,585.83 : x
  2. Step 2: Convert to fraction form
    1,333,433.07/1,840,137.63 = 721,585.83/x
  3. Step 3: Cross multiply
    1,333,433.07x = 1,840,137.63 × 721,585.83
  4. Step 4: Simplify right side
    1,333,433.07x = 1,327,817,229,857.09
  5. Step 5: Solve for x
    x = 1,327,817,229,857.09/1,333,433.07
  6. Step 6: Final answer
    x = 995,788.44

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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.