Home / 1,246,869.78-1,720,645.82-703,000.84

Finding the Fourth Proportional to 1,246,869.78, 1,720,645.82 and 703,000.84

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Solution

The fourth proportional to 1,246,869.78, 1,720,645.82 and 703,000.84 is: 970,121.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,869.78 : 1,720,645.82 = 703,000.84 : x
  2. Step 2: Convert to fraction form
    1,246,869.78/1,720,645.82 = 703,000.84/x
  3. Step 3: Cross multiply
    1,246,869.78x = 1,720,645.82 × 703,000.84
  4. Step 4: Simplify right side
    1,246,869.78x = 1,209,615,456,802.49
  5. Step 5: Solve for x
    x = 1,209,615,456,802.49/1,246,869.78
  6. Step 6: Final answer
    x = 970,121.72

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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.