Home / 1,246,869.45-1,720,645.34-703,000.42

Finding the Fourth Proportional to 1,246,869.45, 1,720,645.34 and 703,000.42

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Solution

The fourth proportional to 1,246,869.45, 1,720,645.34 and 703,000.42 is: 970,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,869.45 : 1,720,645.34 = 703,000.42 : x
  2. Step 2: Convert to fraction form
    1,246,869.45/1,720,645.34 = 703,000.42/x
  3. Step 3: Cross multiply
    1,246,869.45x = 1,720,645.34 × 703,000.42
  4. Step 4: Simplify right side
    1,246,869.45x = 1,209,614,388,874.43
  5. Step 5: Solve for x
    x = 1,209,614,388,874.43/1,246,869.45
  6. Step 6: Final answer
    x = 970,121.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.