Home / 1,678,428.46-2,519,837.52-996,559.93

Finding the Fourth Proportional to 1,678,428.46, 2,519,837.52 and 996,559.93

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Solution

The fourth proportional to 1,678,428.46, 2,519,837.52 and 996,559.93 is: 1,496,143.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,428.46 : 2,519,837.52 = 996,559.93 : x
  2. Step 2: Convert to fraction form
    1,678,428.46/2,519,837.52 = 996,559.93/x
  3. Step 3: Cross multiply
    1,678,428.46x = 2,519,837.52 × 996,559.93
  4. Step 4: Simplify right side
    1,678,428.46x = 2,511,169,102,542.57
  5. Step 5: Solve for x
    x = 2,511,169,102,542.57/1,678,428.46
  6. Step 6: Final answer
    x = 1,496,143.07

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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.