Home / 1,212,008.50-1,672,576.79-668,132.35

Finding the Fourth Proportional to 1,212,008.50, 1,672,576.79 and 668,132.35

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Solution

The fourth proportional to 1,212,008.50, 1,672,576.79 and 668,132.35 is: 922,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,008.50 : 1,672,576.79 = 668,132.35 : x
  2. Step 2: Convert to fraction form
    1,212,008.50/1,672,576.79 = 668,132.35/x
  3. Step 3: Cross multiply
    1,212,008.50x = 1,672,576.79 × 668,132.35
  4. Step 4: Simplify right side
    1,212,008.50x = 1,117,502,669,722.82
  5. Step 5: Solve for x
    x = 1,117,502,669,722.82/1,212,008.50
  6. Step 6: Final answer
    x = 922,025.44

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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.