Home / 1,071,144.42-1,606,709.70-272,419.07

Finding the Fourth Proportional to 1,071,144.42, 1,606,709.70 and 272,419.07

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Solution

The fourth proportional to 1,071,144.42, 1,606,709.70 and 272,419.07 is: 408,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,144.42 : 1,606,709.70 = 272,419.07 : x
  2. Step 2: Convert to fraction form
    1,071,144.42/1,606,709.70 = 272,419.07/x
  3. Step 3: Cross multiply
    1,071,144.42x = 1,606,709.70 × 272,419.07
  4. Step 4: Simplify right side
    1,071,144.42x = 437,698,354,200.43
  5. Step 5: Solve for x
    x = 437,698,354,200.43/1,071,144.42
  6. Step 6: Final answer
    x = 408,626.84

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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.