Home / 1,208,373.43-1,812,172.63-398,576.08

Finding the Fourth Proportional to 1,208,373.43, 1,812,172.63 and 398,576.08

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Solution

The fourth proportional to 1,208,373.43, 1,812,172.63 and 398,576.08 is: 597,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,373.43 : 1,812,172.63 = 398,576.08 : x
  2. Step 2: Convert to fraction form
    1,208,373.43/1,812,172.63 = 398,576.08/x
  3. Step 3: Cross multiply
    1,208,373.43x = 1,812,172.63 × 398,576.08
  4. Step 4: Simplify right side
    1,208,373.43x = 722,288,663,148.69
  5. Step 5: Solve for x
    x = 722,288,663,148.69/1,208,373.43
  6. Step 6: Final answer
    x = 597,736.30

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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.