Home / 1,253,533.30-1,729,917.34-709,657.98

Finding the Fourth Proportional to 1,253,533.30, 1,729,917.34 and 709,657.98

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Solution

The fourth proportional to 1,253,533.30, 1,729,917.34 and 709,657.98 is: 979,351.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,533.30 : 1,729,917.34 = 709,657.98 : x
  2. Step 2: Convert to fraction form
    1,253,533.30/1,729,917.34 = 709,657.98/x
  3. Step 3: Cross multiply
    1,253,533.30x = 1,729,917.34 × 709,657.98
  4. Step 4: Simplify right side
    1,253,533.30x = 1,227,649,645,071.37
  5. Step 5: Solve for x
    x = 1,227,649,645,071.37/1,253,533.30
  6. Step 6: Final answer
    x = 979,351.44

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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.