Home / 1,213,918.86-1,675,198.79-670,054.58

Finding the Fourth Proportional to 1,213,918.86, 1,675,198.79 and 670,054.58

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Solution

The fourth proportional to 1,213,918.86, 1,675,198.79 and 670,054.58 is: 924,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,918.86 : 1,675,198.79 = 670,054.58 : x
  2. Step 2: Convert to fraction form
    1,213,918.86/1,675,198.79 = 670,054.58/x
  3. Step 3: Cross multiply
    1,213,918.86x = 1,675,198.79 × 670,054.58
  4. Step 4: Simplify right side
    1,213,918.86x = 1,122,474,621,649.96
  5. Step 5: Solve for x
    x = 1,122,474,621,649.96/1,213,918.86
  6. Step 6: Final answer
    x = 924,670.22

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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.