Home / 1,087,906.61-1,631,859.62-339,952.61

Finding the Fourth Proportional to 1,087,906.61, 1,631,859.62 and 339,952.61

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Solution

The fourth proportional to 1,087,906.61, 1,631,859.62 and 339,952.61 is: 509,928.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,906.61 : 1,631,859.62 = 339,952.61 : x
  2. Step 2: Convert to fraction form
    1,087,906.61/1,631,859.62 = 339,952.61/x
  3. Step 3: Cross multiply
    1,087,906.61x = 1,631,859.62 × 339,952.61
  4. Step 4: Simplify right side
    1,087,906.61x = 554,754,939,352.49
  5. Step 5: Solve for x
    x = 554,754,939,352.49/1,087,906.61
  6. Step 6: Final answer
    x = 509,928.82

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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.