Home / 1,247,600.90-1,871,401.35-1,212,608.90

Finding the Fourth Proportional to 1,247,600.90, 1,871,401.35 and 1,212,608.90

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Solution

The fourth proportional to 1,247,600.90, 1,871,401.35 and 1,212,608.90 is: 1,818,913.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,600.90 : 1,871,401.35 = 1,212,608.90 : x
  2. Step 2: Convert to fraction form
    1,247,600.90/1,871,401.35 = 1,212,608.90/x
  3. Step 3: Cross multiply
    1,247,600.90x = 1,871,401.35 × 1,212,608.90
  4. Step 4: Simplify right side
    1,247,600.90x = 2,269,277,932,482.02
  5. Step 5: Solve for x
    x = 2,269,277,932,482.02/1,247,600.90
  6. Step 6: Final answer
    x = 1,818,913.35

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.