Home / 1,364,835.80-2,047,179.90-418,209.32

Finding the Fourth Proportional to 1,364,835.80, 2,047,179.90 and 418,209.32

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Solution

The fourth proportional to 1,364,835.80, 2,047,179.90 and 418,209.32 is: 627,291.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,835.80 : 2,047,179.90 = 418,209.32 : x
  2. Step 2: Convert to fraction form
    1,364,835.80/2,047,179.90 = 418,209.32/x
  3. Step 3: Cross multiply
    1,364,835.80x = 2,047,179.90 × 418,209.32
  4. Step 4: Simplify right side
    1,364,835.80x = 856,149,713,896.67
  5. Step 5: Solve for x
    x = 856,149,713,896.67/1,364,835.80
  6. Step 6: Final answer
    x = 627,291.37

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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.