Home / 1,208,541.41-1,812,812.60-309,983.10

Finding the Fourth Proportional to 1,208,541.41, 1,812,812.60 and 309,983.10

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Solution

The fourth proportional to 1,208,541.41, 1,812,812.60 and 309,983.10 is: 464,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,541.41 : 1,812,812.60 = 309,983.10 : x
  2. Step 2: Convert to fraction form
    1,208,541.41/1,812,812.60 = 309,983.10/x
  3. Step 3: Cross multiply
    1,208,541.41x = 1,812,812.60 × 309,983.10
  4. Step 4: Simplify right side
    1,208,541.41x = 561,941,269,467.06
  5. Step 5: Solve for x
    x = 561,941,269,467.06/1,208,541.41
  6. Step 6: Final answer
    x = 464,974.77

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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.