Home / 1,087,905.15-1,631,857.35-339,951.15

Finding the Fourth Proportional to 1,087,905.15, 1,631,857.35 and 339,951.15

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Solution

The fourth proportional to 1,087,905.15, 1,631,857.35 and 339,951.15 is: 509,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,905.15 : 1,631,857.35 = 339,951.15 : x
  2. Step 2: Convert to fraction form
    1,087,905.15/1,631,857.35 = 339,951.15/x
  3. Step 3: Cross multiply
    1,087,905.15x = 1,631,857.35 × 339,951.15
  4. Step 4: Simplify right side
    1,087,905.15x = 554,751,782,768.45
  5. Step 5: Solve for x
    x = 554,751,782,768.45/1,087,905.15
  6. Step 6: Final answer
    x = 509,926.61

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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.