Home / 1,247,370.48-1,721,369.80-674,409.29

Finding the Fourth Proportional to 1,247,370.48, 1,721,369.80 and 674,409.29

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Solution

The fourth proportional to 1,247,370.48, 1,721,369.80 and 674,409.29 is: 930,684.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,370.48 : 1,721,369.80 = 674,409.29 : x
  2. Step 2: Convert to fraction form
    1,247,370.48/1,721,369.80 = 674,409.29/x
  3. Step 3: Cross multiply
    1,247,370.48x = 1,721,369.80 × 674,409.29
  4. Step 4: Simplify right side
    1,247,370.48x = 1,160,907,784,645.44
  5. Step 5: Solve for x
    x = 1,160,907,784,645.44/1,247,370.48
  6. Step 6: Final answer
    x = 930,684.03

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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.