Home / 1,212,231.64-1,672,853.34-702,981.40

Finding the Fourth Proportional to 1,212,231.64, 1,672,853.34 and 702,981.40

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Solution

The fourth proportional to 1,212,231.64, 1,672,853.34 and 702,981.40 is: 970,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,231.64 : 1,672,853.34 = 702,981.40 : x
  2. Step 2: Convert to fraction form
    1,212,231.64/1,672,853.34 = 702,981.40/x
  3. Step 3: Cross multiply
    1,212,231.64x = 1,672,853.34 × 702,981.40
  4. Step 4: Simplify right side
    1,212,231.64x = 1,175,984,782,947.88
  5. Step 5: Solve for x
    x = 1,175,984,782,947.88/1,212,231.64
  6. Step 6: Final answer
    x = 970,099.07

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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.