Home / 1,429,747.62-1,972,558.48-913,803.52

Finding the Fourth Proportional to 1,429,747.62, 1,972,558.48 and 913,803.52

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Solution

The fourth proportional to 1,429,747.62, 1,972,558.48 and 913,803.52 is: 1,260,733.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,747.62 : 1,972,558.48 = 913,803.52 : x
  2. Step 2: Convert to fraction form
    1,429,747.62/1,972,558.48 = 913,803.52/x
  3. Step 3: Cross multiply
    1,429,747.62x = 1,972,558.48 × 913,803.52
  4. Step 4: Simplify right side
    1,429,747.62x = 1,802,530,882,429.85
  5. Step 5: Solve for x
    x = 1,802,530,882,429.85/1,429,747.62
  6. Step 6: Final answer
    x = 1,260,733.61

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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.