Home / 1,549,249.56-2,138,370.39-870,404.76

Finding the Fourth Proportional to 1,549,249.56, 2,138,370.39 and 870,404.76

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Solution

The fourth proportional to 1,549,249.56, 2,138,370.39 and 870,404.76 is: 1,201,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,249.56 : 2,138,370.39 = 870,404.76 : x
  2. Step 2: Convert to fraction form
    1,549,249.56/2,138,370.39 = 870,404.76/x
  3. Step 3: Cross multiply
    1,549,249.56x = 2,138,370.39 × 870,404.76
  4. Step 4: Simplify right side
    1,549,249.56x = 1,861,247,766,099.06
  5. Step 5: Solve for x
    x = 1,861,247,766,099.06/1,549,249.56
  6. Step 6: Final answer
    x = 1,201,386.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.