Home / 1,188,412.88-1,778,092.14-1,045,120.64

Finding the Fourth Proportional to 1,188,412.88, 1,778,092.14 and 1,045,120.64

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Solution

The fourth proportional to 1,188,412.88, 1,778,092.14 and 1,045,120.64 is: 1,563,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,412.88 : 1,778,092.14 = 1,045,120.64 : x
  2. Step 2: Convert to fraction form
    1,188,412.88/1,778,092.14 = 1,045,120.64/x
  3. Step 3: Cross multiply
    1,188,412.88x = 1,778,092.14 × 1,045,120.64
  4. Step 4: Simplify right side
    1,188,412.88x = 1,858,320,795,335.77
  5. Step 5: Solve for x
    x = 1,858,320,795,335.77/1,188,412.88
  6. Step 6: Final answer
    x = 1,563,699.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.