Home / 1,286,682.04-1,775,833.79-713,906.74

Finding the Fourth Proportional to 1,286,682.04, 1,775,833.79 and 713,906.74

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Solution

The fourth proportional to 1,286,682.04, 1,775,833.79 and 713,906.74 is: 985,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,682.04 : 1,775,833.79 = 713,906.74 : x
  2. Step 2: Convert to fraction form
    1,286,682.04/1,775,833.79 = 713,906.74/x
  3. Step 3: Cross multiply
    1,286,682.04x = 1,775,833.79 × 713,906.74
  4. Step 4: Simplify right side
    1,286,682.04x = 1,267,779,711,800.74
  5. Step 5: Solve for x
    x = 1,267,779,711,800.74/1,286,682.04
  6. Step 6: Final answer
    x = 985,309.25

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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.