Home / 1,054,399.38-1,581,271.80-380,392.86

Finding the Fourth Proportional to 1,054,399.38, 1,581,271.80 and 380,392.86

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Solution

The fourth proportional to 1,054,399.38, 1,581,271.80 and 380,392.86 is: 570,471.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,399.38 : 1,581,271.80 = 380,392.86 : x
  2. Step 2: Convert to fraction form
    1,054,399.38/1,581,271.80 = 380,392.86/x
  3. Step 3: Cross multiply
    1,054,399.38x = 1,581,271.80 × 380,392.86
  4. Step 4: Simplify right side
    1,054,399.38x = 601,504,499,117.85
  5. Step 5: Solve for x
    x = 601,504,499,117.85/1,054,399.38
  6. Step 6: Final answer
    x = 570,471.22

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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.