Home / 1,603,479.50-2,212,837.34-915,137.65

Finding the Fourth Proportional to 1,603,479.50, 2,212,837.34 and 915,137.65

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Solution

The fourth proportional to 1,603,479.50, 2,212,837.34 and 915,137.65 is: 1,262,910.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,479.50 : 2,212,837.34 = 915,137.65 : x
  2. Step 2: Convert to fraction form
    1,603,479.50/2,212,837.34 = 915,137.65/x
  3. Step 3: Cross multiply
    1,603,479.50x = 2,212,837.34 × 915,137.65
  4. Step 4: Simplify right side
    1,603,479.50x = 2,025,050,753,052.07
  5. Step 5: Solve for x
    x = 2,025,050,753,052.07/1,603,479.50
  6. Step 6: Final answer
    x = 1,262,910.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.