Home / 1,054,286.43-1,581,415.47-255,574.86

Finding the Fourth Proportional to 1,054,286.43, 1,581,415.47 and 255,574.86

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Solution

The fourth proportional to 1,054,286.43, 1,581,415.47 and 255,574.86 is: 383,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,286.43 : 1,581,415.47 = 255,574.86 : x
  2. Step 2: Convert to fraction form
    1,054,286.43/1,581,415.47 = 255,574.86/x
  3. Step 3: Cross multiply
    1,054,286.43x = 1,581,415.47 × 255,574.86
  4. Step 4: Simplify right side
    1,054,286.43x = 404,170,037,347.08
  5. Step 5: Solve for x
    x = 404,170,037,347.08/1,054,286.43
  6. Step 6: Final answer
    x = 383,358.85

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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.