Home / 1,109,740.14-1,531,277.20-673,930.86

Finding the Fourth Proportional to 1,109,740.14, 1,531,277.20 and 673,930.86

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Solution

The fourth proportional to 1,109,740.14, 1,531,277.20 and 673,930.86 is: 929,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,740.14 : 1,531,277.20 = 673,930.86 : x
  2. Step 2: Convert to fraction form
    1,109,740.14/1,531,277.20 = 673,930.86/x
  3. Step 3: Cross multiply
    1,109,740.14x = 1,531,277.20 × 673,930.86
  4. Step 4: Simplify right side
    1,109,740.14x = 1,031,974,960,294.39
  5. Step 5: Solve for x
    x = 1,031,974,960,294.39/1,109,740.14
  6. Step 6: Final answer
    x = 929,924.87

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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.