Home / 1,040,279.70-1,559,976.46-408,750.50

Finding the Fourth Proportional to 1,040,279.70, 1,559,976.46 and 408,750.50

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Solution

The fourth proportional to 1,040,279.70, 1,559,976.46 and 408,750.50 is: 612,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,279.70 : 1,559,976.46 = 408,750.50 : x
  2. Step 2: Convert to fraction form
    1,040,279.70/1,559,976.46 = 408,750.50/x
  3. Step 3: Cross multiply
    1,040,279.70x = 1,559,976.46 × 408,750.50
  4. Step 4: Simplify right side
    1,040,279.70x = 637,641,158,013.23
  5. Step 5: Solve for x
    x = 637,641,158,013.23/1,040,279.70
  6. Step 6: Final answer
    x = 612,951.65

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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.