Home / 1,138,423.86-1,707,930.90-605,506.50

Finding the Fourth Proportional to 1,138,423.86, 1,707,930.90 and 605,506.50

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Solution

The fourth proportional to 1,138,423.86, 1,707,930.90 and 605,506.50 is: 908,416.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,423.86 : 1,707,930.90 = 605,506.50 : x
  2. Step 2: Convert to fraction form
    1,138,423.86/1,707,930.90 = 605,506.50/x
  3. Step 3: Cross multiply
    1,138,423.86x = 1,707,930.90 × 605,506.50
  4. Step 4: Simplify right side
    1,138,423.86x = 1,034,163,261,500.85
  5. Step 5: Solve for x
    x = 1,034,163,261,500.85/1,138,423.86
  6. Step 6: Final answer
    x = 908,416.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.