Home / 1,213,497.44-1,675,162.48-783,985.76

Finding the Fourth Proportional to 1,213,497.44, 1,675,162.48 and 783,985.76

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Solution

The fourth proportional to 1,213,497.44, 1,675,162.48 and 783,985.76 is: 1,082,246.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,497.44 : 1,675,162.48 = 783,985.76 : x
  2. Step 2: Convert to fraction form
    1,213,497.44/1,675,162.48 = 783,985.76/x
  3. Step 3: Cross multiply
    1,213,497.44x = 1,675,162.48 × 783,985.76
  4. Step 4: Simplify right side
    1,213,497.44x = 1,313,303,530,006.28
  5. Step 5: Solve for x
    x = 1,313,303,530,006.28/1,213,497.44
  6. Step 6: Final answer
    x = 1,082,246.64

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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.