Home / 1,291,422.94-1,936,464.18-380,487.18

Finding the Fourth Proportional to 1,291,422.94, 1,936,464.18 and 380,487.18

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Solution

The fourth proportional to 1,291,422.94, 1,936,464.18 and 380,487.18 is: 570,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,422.94 : 1,936,464.18 = 380,487.18 : x
  2. Step 2: Convert to fraction form
    1,291,422.94/1,936,464.18 = 380,487.18/x
  3. Step 3: Cross multiply
    1,291,422.94x = 1,936,464.18 × 380,487.18
  4. Step 4: Simplify right side
    1,291,422.94x = 736,799,795,019.21
  5. Step 5: Solve for x
    x = 736,799,795,019.21/1,291,422.94
  6. Step 6: Final answer
    x = 570,533.30

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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.