Home / 1,445,632.32-2,168,555.01-380,667

Finding the Fourth Proportional to 1,445,632.32, 2,168,555.01 and 380,667

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Solution

The fourth proportional to 1,445,632.32, 2,168,555.01 and 380,667 is: 571,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,632.32 : 2,168,555.01 = 380,667 : x
  2. Step 2: Convert to fraction form
    1,445,632.32/2,168,555.01 = 380,667/x
  3. Step 3: Cross multiply
    1,445,632.32x = 2,168,555.01 × 380,667
  4. Step 4: Simplify right side
    1,445,632.32x = 825,497,329,991.67
  5. Step 5: Solve for x
    x = 825,497,329,991.67/1,445,632.32
  6. Step 6: Final answer
    x = 571,028.55

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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.