Home / 1,151,990.40-1,727,920.91-353,269.76

Finding the Fourth Proportional to 1,151,990.40, 1,727,920.91 and 353,269.76

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Solution

The fourth proportional to 1,151,990.40, 1,727,920.91 and 353,269.76 is: 529,884.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,990.40 : 1,727,920.91 = 353,269.76 : x
  2. Step 2: Convert to fraction form
    1,151,990.40/1,727,920.91 = 353,269.76/x
  3. Step 3: Cross multiply
    1,151,990.40x = 1,727,920.91 × 353,269.76
  4. Step 4: Simplify right side
    1,151,990.40x = 610,422,195,431.11
  5. Step 5: Solve for x
    x = 610,422,195,431.11/1,151,990.40
  6. Step 6: Final answer
    x = 529,884.79

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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.