Home / 1,015,279.41-1,521,317.09-374,701.65

Finding the Fourth Proportional to 1,015,279.41, 1,521,317.09 and 374,701.65

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Solution

The fourth proportional to 1,015,279.41, 1,521,317.09 and 374,701.65 is: 561,461.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,279.41 : 1,521,317.09 = 374,701.65 : x
  2. Step 2: Convert to fraction form
    1,015,279.41/1,521,317.09 = 374,701.65/x
  3. Step 3: Cross multiply
    1,015,279.41x = 1,521,317.09 × 374,701.65
  4. Step 4: Simplify right side
    1,015,279.41x = 570,040,019,028.01
  5. Step 5: Solve for x
    x = 570,040,019,028.01/1,015,279.41
  6. Step 6: Final answer
    x = 561,461.22

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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.