Home / 1,297,998.90-1,946,998.35-850,101.30

Finding the Fourth Proportional to 1,297,998.90, 1,946,998.35 and 850,101.30

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Solution

The fourth proportional to 1,297,998.90, 1,946,998.35 and 850,101.30 is: 1,275,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,998.90 : 1,946,998.35 = 850,101.30 : x
  2. Step 2: Convert to fraction form
    1,297,998.90/1,946,998.35 = 850,101.30/x
  3. Step 3: Cross multiply
    1,297,998.90x = 1,946,998.35 × 850,101.30
  4. Step 4: Simplify right side
    1,297,998.90x = 1,655,145,828,432.86
  5. Step 5: Solve for x
    x = 1,655,145,828,432.86/1,297,998.90
  6. Step 6: Final answer
    x = 1,275,151.95

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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.