Home / 1,253,159.65-1,729,063.83-709,295.37

Finding the Fourth Proportional to 1,253,159.65, 1,729,063.83 and 709,295.37

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Solution

The fourth proportional to 1,253,159.65, 1,729,063.83 and 709,295.37 is: 978,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,159.65 : 1,729,063.83 = 709,295.37 : x
  2. Step 2: Convert to fraction form
    1,253,159.65/1,729,063.83 = 709,295.37/x
  3. Step 3: Cross multiply
    1,253,159.65x = 1,729,063.83 × 709,295.37
  4. Step 4: Simplify right side
    1,253,159.65x = 1,226,416,969,053.47
  5. Step 5: Solve for x
    x = 1,226,416,969,053.47/1,253,159.65
  6. Step 6: Final answer
    x = 978,659.80

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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.