Home / 1,247,308.10-1,721,289.39-674,352.37

Finding the Fourth Proportional to 1,247,308.10, 1,721,289.39 and 674,352.37

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Solution

The fourth proportional to 1,247,308.10, 1,721,289.39 and 674,352.37 is: 930,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,308.10 : 1,721,289.39 = 674,352.37 : x
  2. Step 2: Convert to fraction form
    1,247,308.10/1,721,289.39 = 674,352.37/x
  3. Step 3: Cross multiply
    1,247,308.10x = 1,721,289.39 × 674,352.37
  4. Step 4: Simplify right side
    1,247,308.10x = 1,160,755,579,225.14
  5. Step 5: Solve for x
    x = 1,160,755,579,225.14/1,247,308.10
  6. Step 6: Final answer
    x = 930,608.55

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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.