Home / 1,239,670.20-1,857,734.10-706,063.80

Finding the Fourth Proportional to 1,239,670.20, 1,857,734.10 and 706,063.80

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Solution

The fourth proportional to 1,239,670.20, 1,857,734.10 and 706,063.80 is: 1,058,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,670.20 : 1,857,734.10 = 706,063.80 : x
  2. Step 2: Convert to fraction form
    1,239,670.20/1,857,734.10 = 706,063.80/x
  3. Step 3: Cross multiply
    1,239,670.20x = 1,857,734.10 × 706,063.80
  4. Step 4: Simplify right side
    1,239,670.20x = 1,311,678,798,035.58
  5. Step 5: Solve for x
    x = 1,311,678,798,035.58/1,239,670.20
  6. Step 6: Final answer
    x = 1,058,086.90

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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.