Home / 1,245,615.38-1,868,423.09-298,986.10

Finding the Fourth Proportional to 1,245,615.38, 1,868,423.09 and 298,986.10

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Solution

The fourth proportional to 1,245,615.38, 1,868,423.09 and 298,986.10 is: 448,479.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,615.38 : 1,868,423.09 = 298,986.10 : x
  2. Step 2: Convert to fraction form
    1,245,615.38/1,868,423.09 = 298,986.10/x
  3. Step 3: Cross multiply
    1,245,615.38x = 1,868,423.09 × 298,986.10
  4. Step 4: Simplify right side
    1,245,615.38x = 558,632,529,466.06
  5. Step 5: Solve for x
    x = 558,632,529,466.06/1,245,615.38
  6. Step 6: Final answer
    x = 448,479.15

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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.