Home / 1,427,016.80-2,140,882.41-416,138.87

Finding the Fourth Proportional to 1,427,016.80, 2,140,882.41 and 416,138.87

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Solution

The fourth proportional to 1,427,016.80, 2,140,882.41 and 416,138.87 is: 624,312.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,016.80 : 2,140,882.41 = 416,138.87 : x
  2. Step 2: Convert to fraction form
    1,427,016.80/2,140,882.41 = 416,138.87/x
  3. Step 3: Cross multiply
    1,427,016.80x = 2,140,882.41 × 416,138.87
  4. Step 4: Simplify right side
    1,427,016.80x = 890,904,374,115.17
  5. Step 5: Solve for x
    x = 890,904,374,115.17/1,427,016.80
  6. Step 6: Final answer
    x = 624,312.46

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1.5x scale

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.