Home / 1,429,491.25-1,972,697.93-825,879.25

Finding the Fourth Proportional to 1,429,491.25, 1,972,697.93 and 825,879.25

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Solution

The fourth proportional to 1,429,491.25, 1,972,697.93 and 825,879.25 is: 1,139,713.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,491.25 : 1,972,697.93 = 825,879.25 : x
  2. Step 2: Convert to fraction form
    1,429,491.25/1,972,697.93 = 825,879.25/x
  3. Step 3: Cross multiply
    1,429,491.25x = 1,972,697.93 × 825,879.25
  4. Step 4: Simplify right side
    1,429,491.25x = 1,629,210,286,904.95
  5. Step 5: Solve for x
    x = 1,629,210,286,904.95/1,429,491.25
  6. Step 6: Final answer
    x = 1,139,713.37

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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.