Home / 1,139,552.32-1,709,425.68-298,102.72

Finding the Fourth Proportional to 1,139,552.32, 1,709,425.68 and 298,102.72

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Solution

The fourth proportional to 1,139,552.32, 1,709,425.68 and 298,102.72 is: 447,179.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,552.32 : 1,709,425.68 = 298,102.72 : x
  2. Step 2: Convert to fraction form
    1,139,552.32/1,709,425.68 = 298,102.72/x
  3. Step 3: Cross multiply
    1,139,552.32x = 1,709,425.68 × 298,102.72
  4. Step 4: Simplify right side
    1,139,552.32x = 509,584,444,845.85
  5. Step 5: Solve for x
    x = 509,584,444,845.85/1,139,552.32
  6. Step 6: Final answer
    x = 447,179.51

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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.