Home / 1,212,241.64-1,672,867.14-702,991.40

Finding the Fourth Proportional to 1,212,241.64, 1,672,867.14 and 702,991.40

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Solution

The fourth proportional to 1,212,241.64, 1,672,867.14 and 702,991.40 is: 970,112.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,241.64 : 1,672,867.14 = 702,991.40 : x
  2. Step 2: Convert to fraction form
    1,212,241.64/1,672,867.14 = 702,991.40/x
  3. Step 3: Cross multiply
    1,212,241.64x = 1,672,867.14 × 702,991.40
  4. Step 4: Simplify right side
    1,212,241.64x = 1,176,011,212,762.60
  5. Step 5: Solve for x
    x = 1,176,011,212,762.60/1,212,241.64
  6. Step 6: Final answer
    x = 970,112.87

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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.