Home / 1,233,878.28-1,850,129.70-380,707.70

Finding the Fourth Proportional to 1,233,878.28, 1,850,129.70 and 380,707.70

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Solution

The fourth proportional to 1,233,878.28, 1,850,129.70 and 380,707.70 is: 570,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233,878.28 : 1,850,129.70 = 380,707.70 : x
  2. Step 2: Convert to fraction form
    1,233,878.28/1,850,129.70 = 380,707.70/x
  3. Step 3: Cross multiply
    1,233,878.28x = 1,850,129.70 × 380,707.70
  4. Step 4: Simplify right side
    1,233,878.28x = 704,358,622,788.69
  5. Step 5: Solve for x
    x = 704,358,622,788.69/1,233,878.28
  6. Step 6: Final answer
    x = 570,849.36

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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.