Home / 1,010,369.82-1,515,804.33-300,394.62

Finding the Fourth Proportional to 1,010,369.82, 1,515,804.33 and 300,394.62

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Solution

The fourth proportional to 1,010,369.82, 1,515,804.33 and 300,394.62 is: 450,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,369.82 : 1,515,804.33 = 300,394.62 : x
  2. Step 2: Convert to fraction form
    1,010,369.82/1,515,804.33 = 300,394.62/x
  3. Step 3: Cross multiply
    1,010,369.82x = 1,515,804.33 × 300,394.62
  4. Step 4: Simplify right side
    1,010,369.82x = 455,339,465,704.71
  5. Step 5: Solve for x
    x = 455,339,465,704.71/1,010,369.82
  6. Step 6: Final answer
    x = 450,666.14

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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.