Home / 1,291,535.70-1,936,632.21-380,598.66

Finding the Fourth Proportional to 1,291,535.70, 1,936,632.21 and 380,598.66

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Solution

The fourth proportional to 1,291,535.70, 1,936,632.21 and 380,598.66 is: 570,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,535.70 : 1,936,632.21 = 380,598.66 : x
  2. Step 2: Convert to fraction form
    1,291,535.70/1,936,632.21 = 380,598.66/x
  3. Step 3: Cross multiply
    1,291,535.70x = 1,936,632.21 × 380,598.66
  4. Step 4: Simplify right side
    1,291,535.70x = 737,079,622,611.59
  5. Step 5: Solve for x
    x = 737,079,622,611.59/1,291,535.70
  6. Step 6: Final answer
    x = 570,700.16

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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.