Home / 1,678,787.70-2,519,165.70-613,937.40

Finding the Fourth Proportional to 1,678,787.70, 2,519,165.70 and 613,937.40

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Solution

The fourth proportional to 1,678,787.70, 2,519,165.70 and 613,937.40 is: 921,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,787.70 : 2,519,165.70 = 613,937.40 : x
  2. Step 2: Convert to fraction form
    1,678,787.70/2,519,165.70 = 613,937.40/x
  3. Step 3: Cross multiply
    1,678,787.70x = 2,519,165.70 × 613,937.40
  4. Step 4: Simplify right side
    1,678,787.70x = 1,546,610,040,027.18
  5. Step 5: Solve for x
    x = 1,546,610,040,027.18/1,678,787.70
  6. Step 6: Final answer
    x = 921,266.01

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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.