Home / 1,749,778.80-2,624,668.02-420,082.80

Finding the Fourth Proportional to 1,749,778.80, 2,624,668.02 and 420,082.80

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Solution

The fourth proportional to 1,749,778.80, 2,624,668.02 and 420,082.80 is: 630,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749,778.80 : 2,624,668.02 = 420,082.80 : x
  2. Step 2: Convert to fraction form
    1,749,778.80/2,624,668.02 = 420,082.80/x
  3. Step 3: Cross multiply
    1,749,778.80x = 2,624,668.02 × 420,082.80
  4. Step 4: Simplify right side
    1,749,778.80x = 1,102,577,890,912.06
  5. Step 5: Solve for x
    x = 1,102,577,890,912.06/1,749,778.80
  6. Step 6: Final answer
    x = 630,124.16

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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.