Home / 1,389,401.08-2,084,062.74-442,828.60

Finding the Fourth Proportional to 1,389,401.08, 2,084,062.74 and 442,828.60

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Solution

The fourth proportional to 1,389,401.08, 2,084,062.74 and 442,828.60 is: 664,230.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,401.08 : 2,084,062.74 = 442,828.60 : x
  2. Step 2: Convert to fraction form
    1,389,401.08/2,084,062.74 = 442,828.60/x
  3. Step 3: Cross multiply
    1,389,401.08x = 2,084,062.74 × 442,828.60
  4. Step 4: Simplify right side
    1,389,401.08x = 922,882,585,466.36
  5. Step 5: Solve for x
    x = 922,882,585,466.36/1,389,401.08
  6. Step 6: Final answer
    x = 664,230.51

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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.