Home / 1,645,481.32-2,270,747.44-920,327.30

Finding the Fourth Proportional to 1,645,481.32, 2,270,747.44 and 920,327.30

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Solution

The fourth proportional to 1,645,481.32, 2,270,747.44 and 920,327.30 is: 1,270,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,481.32 : 2,270,747.44 = 920,327.30 : x
  2. Step 2: Convert to fraction form
    1,645,481.32/2,270,747.44 = 920,327.30/x
  3. Step 3: Cross multiply
    1,645,481.32x = 2,270,747.44 × 920,327.30
  4. Step 4: Simplify right side
    1,645,481.32x = 2,089,830,860,437.11
  5. Step 5: Solve for x
    x = 2,089,830,860,437.11/1,645,481.32
  6. Step 6: Final answer
    x = 1,270,042.29

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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.