Home / 1,247,404.20-1,871,106.30-848,823.45

Finding the Fourth Proportional to 1,247,404.20, 1,871,106.30 and 848,823.45

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Solution

The fourth proportional to 1,247,404.20, 1,871,106.30 and 848,823.45 is: 1,273,235.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,404.20 : 1,871,106.30 = 848,823.45 : x
  2. Step 2: Convert to fraction form
    1,247,404.20/1,871,106.30 = 848,823.45/x
  3. Step 3: Cross multiply
    1,247,404.20x = 1,871,106.30 × 848,823.45
  4. Step 4: Simplify right side
    1,247,404.20x = 1,588,238,904,882.74
  5. Step 5: Solve for x
    x = 1,588,238,904,882.74/1,247,404.20
  6. Step 6: Final answer
    x = 1,273,235.18

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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.