Home / 1,090,765.44-1,636,895.48-380,793.46

Finding the Fourth Proportional to 1,090,765.44, 1,636,895.48 and 380,793.46

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Solution

The fourth proportional to 1,090,765.44, 1,636,895.48 and 380,793.46 is: 571,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,765.44 : 1,636,895.48 = 380,793.46 : x
  2. Step 2: Convert to fraction form
    1,090,765.44/1,636,895.48 = 380,793.46/x
  3. Step 3: Cross multiply
    1,090,765.44x = 1,636,895.48 × 380,793.46
  4. Step 4: Simplify right side
    1,090,765.44x = 623,319,093,487.56
  5. Step 5: Solve for x
    x = 623,319,093,487.56/1,090,765.44
  6. Step 6: Final answer
    x = 571,451.08

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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.