Home / 1,333,409.47-1,840,109.91-721,562.16

Finding the Fourth Proportional to 1,333,409.47, 1,840,109.91 and 721,562.16

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Solution

The fourth proportional to 1,333,409.47, 1,840,109.91 and 721,562.16 is: 995,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,409.47 : 1,840,109.91 = 721,562.16 : x
  2. Step 2: Convert to fraction form
    1,333,409.47/1,840,109.91 = 721,562.16/x
  3. Step 3: Cross multiply
    1,333,409.47x = 1,840,109.91 × 721,562.16
  4. Step 4: Simplify right side
    1,333,409.47x = 1,327,753,682,903.91
  5. Step 5: Solve for x
    x = 1,327,753,682,903.91/1,333,409.47
  6. Step 6: Final answer
    x = 995,758.40

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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.