Home / 1,427,206.90-2,140,817.53-362,249.30

Finding the Fourth Proportional to 1,427,206.90, 2,140,817.53 and 362,249.30

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Solution

The fourth proportional to 1,427,206.90, 2,140,817.53 and 362,249.30 is: 543,375.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,206.90 : 2,140,817.53 = 362,249.30 : x
  2. Step 2: Convert to fraction form
    1,427,206.90/2,140,817.53 = 362,249.30/x
  3. Step 3: Cross multiply
    1,427,206.90x = 2,140,817.53 × 362,249.30
  4. Step 4: Simplify right side
    1,427,206.90x = 775,509,651,670.23
  5. Step 5: Solve for x
    x = 775,509,651,670.23/1,427,206.90
  6. Step 6: Final answer
    x = 543,375.77

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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.