Home / 1,680,812.82-2,520,879.03-615,491.10

Finding the Fourth Proportional to 1,680,812.82, 2,520,879.03 and 615,491.10

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Solution

The fourth proportional to 1,680,812.82, 2,520,879.03 and 615,491.10 is: 923,112.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,812.82 : 2,520,879.03 = 615,491.10 : x
  2. Step 2: Convert to fraction form
    1,680,812.82/2,520,879.03 = 615,491.10/x
  3. Step 3: Cross multiply
    1,680,812.82x = 2,520,879.03 × 615,491.10
  4. Step 4: Simplify right side
    1,680,812.82x = 1,551,578,607,141.63
  5. Step 5: Solve for x
    x = 1,551,578,607,141.63/1,680,812.82
  6. Step 6: Final answer
    x = 923,112.07

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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.