Home / 1,003,338.11-1,505,237.06-434,814.64

Finding the Fourth Proportional to 1,003,338.11, 1,505,237.06 and 434,814.64

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Solution

The fourth proportional to 1,003,338.11, 1,505,237.06 and 434,814.64 is: 652,321.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,338.11 : 1,505,237.06 = 434,814.64 : x
  2. Step 2: Convert to fraction form
    1,003,338.11/1,505,237.06 = 434,814.64/x
  3. Step 3: Cross multiply
    1,003,338.11x = 1,505,237.06 × 434,814.64
  4. Step 4: Simplify right side
    1,003,338.11x = 654,499,110,358.56
  5. Step 5: Solve for x
    x = 654,499,110,358.56/1,003,338.11
  6. Step 6: Final answer
    x = 652,321.59

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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.