Home / 1,247,367.48-1,721,365.67-674,406.29

Finding the Fourth Proportional to 1,247,367.48, 1,721,365.67 and 674,406.29

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Solution

The fourth proportional to 1,247,367.48, 1,721,365.67 and 674,406.29 is: 930,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,367.48 : 1,721,365.67 = 674,406.29 : x
  2. Step 2: Convert to fraction form
    1,247,367.48/1,721,365.67 = 674,406.29/x
  3. Step 3: Cross multiply
    1,247,367.48x = 1,721,365.67 × 674,406.29
  4. Step 4: Simplify right side
    1,247,367.48x = 1,160,899,823,259.20
  5. Step 5: Solve for x
    x = 1,160,899,823,259.20/1,247,367.48
  6. Step 6: Final answer
    x = 930,679.89

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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.