Home / 1,091,978.76-1,638,201.44-382,029.96

Finding the Fourth Proportional to 1,091,978.76, 1,638,201.44 and 382,029.96

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Solution

The fourth proportional to 1,091,978.76, 1,638,201.44 and 382,029.96 is: 573,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,978.76 : 1,638,201.44 = 382,029.96 : x
  2. Step 2: Convert to fraction form
    1,091,978.76/1,638,201.44 = 382,029.96/x
  3. Step 3: Cross multiply
    1,091,978.76x = 1,638,201.44 × 382,029.96
  4. Step 4: Simplify right side
    1,091,978.76x = 625,842,030,595.14
  5. Step 5: Solve for x
    x = 625,842,030,595.14/1,091,978.76
  6. Step 6: Final answer
    x = 573,126.56

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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.