Home / 1,160,890.43-1,601,974.89-644,677.07

Finding the Fourth Proportional to 1,160,890.43, 1,601,974.89 and 644,677.07

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Solution

The fourth proportional to 1,160,890.43, 1,601,974.89 and 644,677.07 is: 889,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,890.43 : 1,601,974.89 = 644,677.07 : x
  2. Step 2: Convert to fraction form
    1,160,890.43/1,601,974.89 = 644,677.07/x
  3. Step 3: Cross multiply
    1,160,890.43x = 1,601,974.89 × 644,677.07
  4. Step 4: Simplify right side
    1,160,890.43x = 1,032,756,470,288.90
  5. Step 5: Solve for x
    x = 1,032,756,470,288.90/1,160,890.43
  6. Step 6: Final answer
    x = 889,624.42

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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.