Home / 1,247,344.36-1,871,000.12-300,707.48

Finding the Fourth Proportional to 1,247,344.36, 1,871,000.12 and 300,707.48

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Solution

The fourth proportional to 1,247,344.36, 1,871,000.12 and 300,707.48 is: 451,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,344.36 : 1,871,000.12 = 300,707.48 : x
  2. Step 2: Convert to fraction form
    1,247,344.36/1,871,000.12 = 300,707.48/x
  3. Step 3: Cross multiply
    1,247,344.36x = 1,871,000.12 × 300,707.48
  4. Step 4: Simplify right side
    1,247,344.36x = 562,623,736,594.17
  5. Step 5: Solve for x
    x = 562,623,736,594.17/1,247,344.36
  6. Step 6: Final answer
    x = 451,057.27

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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.