Home / 1,308,079.62-1,962,120.30-361,451.22

Finding the Fourth Proportional to 1,308,079.62, 1,962,120.30 and 361,451.22

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Solution

The fourth proportional to 1,308,079.62, 1,962,120.30 and 361,451.22 is: 542,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,079.62 : 1,962,120.30 = 361,451.22 : x
  2. Step 2: Convert to fraction form
    1,308,079.62/1,962,120.30 = 361,451.22/x
  3. Step 3: Cross multiply
    1,308,079.62x = 1,962,120.30 × 361,451.22
  4. Step 4: Simplify right side
    1,308,079.62x = 709,210,776,221.77
  5. Step 5: Solve for x
    x = 709,210,776,221.77/1,308,079.62
  6. Step 6: Final answer
    x = 542,177.07

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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.