Home / 1,213,918.70-1,675,208.00-670,054.73

Finding the Fourth Proportional to 1,213,918.70, 1,675,208.00 and 670,054.73

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Solution

The fourth proportional to 1,213,918.70, 1,675,208.00 and 670,054.73 is: 924,675.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,918.70 : 1,675,208.00 = 670,054.73 : x
  2. Step 2: Convert to fraction form
    1,213,918.70/1,675,208.00 = 670,054.73/x
  3. Step 3: Cross multiply
    1,213,918.70x = 1,675,208.00 × 670,054.73
  4. Step 4: Simplify right side
    1,213,918.70x = 1,122,481,049,997.00
  5. Step 5: Solve for x
    x = 1,122,481,049,997.00/1,213,918.70
  6. Step 6: Final answer
    x = 924,675.64

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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.