Home / 1,245,615.46-1,868,423.21-298,986.18

Finding the Fourth Proportional to 1,245,615.46, 1,868,423.21 and 298,986.18

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Solution

The fourth proportional to 1,245,615.46, 1,868,423.21 and 298,986.18 is: 448,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,615.46 : 1,868,423.21 = 298,986.18 : x
  2. Step 2: Convert to fraction form
    1,245,615.46/1,868,423.21 = 298,986.18/x
  3. Step 3: Cross multiply
    1,245,615.46x = 1,868,423.21 × 298,986.18
  4. Step 4: Simplify right side
    1,245,615.46x = 558,632,708,839.12
  5. Step 5: Solve for x
    x = 558,632,708,839.12/1,245,615.46
  6. Step 6: Final answer
    x = 448,479.27

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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.