Home / 1,288,192.74-1,932,289.14-341,637.30

Finding the Fourth Proportional to 1,288,192.74, 1,932,289.14 and 341,637.30

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Solution

The fourth proportional to 1,288,192.74, 1,932,289.14 and 341,637.30 is: 512,455.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,192.74 : 1,932,289.14 = 341,637.30 : x
  2. Step 2: Convert to fraction form
    1,288,192.74/1,932,289.14 = 341,637.30/x
  3. Step 3: Cross multiply
    1,288,192.74x = 1,932,289.14 × 341,637.30
  4. Step 4: Simplify right side
    1,288,192.74x = 660,142,044,608.92
  5. Step 5: Solve for x
    x = 660,142,044,608.92/1,288,192.74
  6. Step 6: Final answer
    x = 512,455.96

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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.