Home / 1,190,306.92-1,642,223.88-673,990.24

Finding the Fourth Proportional to 1,190,306.92, 1,642,223.88 and 673,990.24

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Solution

The fourth proportional to 1,190,306.92, 1,642,223.88 and 673,990.24 is: 929,880.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,306.92 : 1,642,223.88 = 673,990.24 : x
  2. Step 2: Convert to fraction form
    1,190,306.92/1,642,223.88 = 673,990.24/x
  3. Step 3: Cross multiply
    1,190,306.92x = 1,642,223.88 × 673,990.24
  4. Step 4: Simplify right side
    1,190,306.92x = 1,106,842,867,014.93
  5. Step 5: Solve for x
    x = 1,106,842,867,014.93/1,190,306.92
  6. Step 6: Final answer
    x = 929,880.23

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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.