Home / 1,331,645.85-1,837,684.68-719,810.46

Finding the Fourth Proportional to 1,331,645.85, 1,837,684.68 and 719,810.46

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Solution

The fourth proportional to 1,331,645.85, 1,837,684.68 and 719,810.46 is: 993,345.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,645.85 : 1,837,684.68 = 719,810.46 : x
  2. Step 2: Convert to fraction form
    1,331,645.85/1,837,684.68 = 719,810.46/x
  3. Step 3: Cross multiply
    1,331,645.85x = 1,837,684.68 × 719,810.46
  4. Step 4: Simplify right side
    1,331,645.85x = 1,322,784,654,845.75
  5. Step 5: Solve for x
    x = 1,322,784,654,845.75/1,331,645.85
  6. Step 6: Final answer
    x = 993,345.68

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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.