Home / 1,165,043.38-1,606,931.49-777,663.44

Finding the Fourth Proportional to 1,165,043.38, 1,606,931.49 and 777,663.44

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Solution

The fourth proportional to 1,165,043.38, 1,606,931.49 and 777,663.44 is: 1,072,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,043.38 : 1,606,931.49 = 777,663.44 : x
  2. Step 2: Convert to fraction form
    1,165,043.38/1,606,931.49 = 777,663.44/x
  3. Step 3: Cross multiply
    1,165,043.38x = 1,606,931.49 × 777,663.44
  4. Step 4: Simplify right side
    1,165,043.38x = 1,249,651,870,357.73
  5. Step 5: Solve for x
    x = 1,249,651,870,357.73/1,165,043.38
  6. Step 6: Final answer
    x = 1,072,622.61

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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.