Home / 1,333,409.76-1,840,110.32-721,562.45

Finding the Fourth Proportional to 1,333,409.76, 1,840,110.32 and 721,562.45

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Solution

The fourth proportional to 1,333,409.76, 1,840,110.32 and 721,562.45 is: 995,758.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,409.76 : 1,840,110.32 = 721,562.45 : x
  2. Step 2: Convert to fraction form
    1,333,409.76/1,840,110.32 = 721,562.45/x
  3. Step 3: Cross multiply
    1,333,409.76x = 1,840,110.32 × 721,562.45
  4. Step 4: Simplify right side
    1,333,409.76x = 1,327,754,497,961.12
  5. Step 5: Solve for x
    x = 1,327,754,497,961.12/1,333,409.76
  6. Step 6: Final answer
    x = 995,758.80

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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.