Home / 1,247,266.60-1,871,450.70-607,215.40

Finding the Fourth Proportional to 1,247,266.60, 1,871,450.70 and 607,215.40

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Solution

The fourth proportional to 1,247,266.60, 1,871,450.70 and 607,215.40 is: 911,091.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,266.60 : 1,871,450.70 = 607,215.40 : x
  2. Step 2: Convert to fraction form
    1,247,266.60/1,871,450.70 = 607,215.40/x
  3. Step 3: Cross multiply
    1,247,266.60x = 1,871,450.70 × 607,215.40
  4. Step 4: Simplify right side
    1,247,266.60x = 1,136,373,685,380.78
  5. Step 5: Solve for x
    x = 1,136,373,685,380.78/1,247,266.60
  6. Step 6: Final answer
    x = 911,091.25

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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.