Home / 1,211,383.86-1,671,709.86-702,381.48

Finding the Fourth Proportional to 1,211,383.86, 1,671,709.86 and 702,381.48

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Solution

The fourth proportional to 1,211,383.86, 1,671,709.86 and 702,381.48 is: 969,286.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,383.86 : 1,671,709.86 = 702,381.48 : x
  2. Step 2: Convert to fraction form
    1,211,383.86/1,671,709.86 = 702,381.48/x
  3. Step 3: Cross multiply
    1,211,383.86x = 1,671,709.86 × 702,381.48
  4. Step 4: Simplify right side
    1,211,383.86x = 1,174,178,045,597.39
  5. Step 5: Solve for x
    x = 1,174,178,045,597.39/1,211,383.86
  6. Step 6: Final answer
    x = 969,286.52

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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.