Home / 1,212,018.30-1,672,596.90-668,175.30

Finding the Fourth Proportional to 1,212,018.30, 1,672,596.90 and 668,175.30

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Solution

The fourth proportional to 1,212,018.30, 1,672,596.90 and 668,175.30 is: 922,088.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,018.30 : 1,672,596.90 = 668,175.30 : x
  2. Step 2: Convert to fraction form
    1,212,018.30/1,672,596.90 = 668,175.30/x
  3. Step 3: Cross multiply
    1,212,018.30x = 1,672,596.90 × 668,175.30
  4. Step 4: Simplify right side
    1,212,018.30x = 1,117,587,935,436.57
  5. Step 5: Solve for x
    x = 1,117,587,935,436.57/1,212,018.30
  6. Step 6: Final answer
    x = 922,088.33

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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.