Home / 1,186,029.76-1,779,048.24-287,467.96

Finding the Fourth Proportional to 1,186,029.76, 1,779,048.24 and 287,467.96

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Solution

The fourth proportional to 1,186,029.76, 1,779,048.24 and 287,467.96 is: 431,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,029.76 : 1,779,048.24 = 287,467.96 : x
  2. Step 2: Convert to fraction form
    1,186,029.76/1,779,048.24 = 287,467.96/x
  3. Step 3: Cross multiply
    1,186,029.76x = 1,779,048.24 × 287,467.96
  4. Step 4: Simplify right side
    1,186,029.76x = 511,419,368,294.39
  5. Step 5: Solve for x
    x = 511,419,368,294.39/1,186,029.76
  6. Step 6: Final answer
    x = 431,202.81

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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.