Home / 1,364,833.80-2,047,176.90-418,207.32

Finding the Fourth Proportional to 1,364,833.80, 2,047,176.90 and 418,207.32

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Solution

The fourth proportional to 1,364,833.80, 2,047,176.90 and 418,207.32 is: 627,288.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,833.80 : 2,047,176.90 = 418,207.32 : x
  2. Step 2: Convert to fraction form
    1,364,833.80/2,047,176.90 = 418,207.32/x
  3. Step 3: Cross multiply
    1,364,833.80x = 2,047,176.90 × 418,207.32
  4. Step 4: Simplify right side
    1,364,833.80x = 856,144,364,914.91
  5. Step 5: Solve for x
    x = 856,144,364,914.91/1,364,833.80
  6. Step 6: Final answer
    x = 627,288.37

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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.