Home / 1,211,768.31-1,672,141.95-702,503.49

Finding the Fourth Proportional to 1,211,768.31, 1,672,141.95 and 702,503.49

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Solution

The fourth proportional to 1,211,768.31, 1,672,141.95 and 702,503.49 is: 969,397.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,768.31 : 1,672,141.95 = 702,503.49 : x
  2. Step 2: Convert to fraction form
    1,211,768.31/1,672,141.95 = 702,503.49/x
  3. Step 3: Cross multiply
    1,211,768.31x = 1,672,141.95 × 702,503.49
  4. Step 4: Simplify right side
    1,211,768.31x = 1,174,685,555,650.41
  5. Step 5: Solve for x
    x = 1,174,685,555,650.41/1,211,768.31
  6. Step 6: Final answer
    x = 969,397.82

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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.