Home / 1,090,765.93-1,636,896.23-380,793.95

Finding the Fourth Proportional to 1,090,765.93, 1,636,896.23 and 380,793.95

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Solution

The fourth proportional to 1,090,765.93, 1,636,896.23 and 380,793.95 is: 571,451.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,765.93 : 1,636,896.23 = 380,793.95 : x
  2. Step 2: Convert to fraction form
    1,090,765.93/1,636,896.23 = 380,793.95/x
  3. Step 3: Cross multiply
    1,090,765.93x = 1,636,896.23 × 380,793.95
  4. Step 4: Simplify right side
    1,090,765.93x = 623,320,181,161.81
  5. Step 5: Solve for x
    x = 623,320,181,161.81/1,090,765.93
  6. Step 6: Final answer
    x = 571,451.82

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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.