Home / 1,214,187.79-1,675,581.27-670,324.46

Finding the Fourth Proportional to 1,214,187.79, 1,675,581.27 and 670,324.46

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Solution

The fourth proportional to 1,214,187.79, 1,675,581.27 and 670,324.46 is: 925,048.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,187.79 : 1,675,581.27 = 670,324.46 : x
  2. Step 2: Convert to fraction form
    1,214,187.79/1,675,581.27 = 670,324.46/x
  3. Step 3: Cross multiply
    1,214,187.79x = 1,675,581.27 × 670,324.46
  4. Step 4: Simplify right side
    1,214,187.79x = 1,123,183,109,998.86
  5. Step 5: Solve for x
    x = 1,123,183,109,998.86/1,214,187.79
  6. Step 6: Final answer
    x = 925,048.93

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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.