Home / 1,045,729.74-1,568,430.54-287,628.06

Finding the Fourth Proportional to 1,045,729.74, 1,568,430.54 and 287,628.06

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Solution

The fourth proportional to 1,045,729.74, 1,568,430.54 and 287,628.06 is: 431,396.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,729.74 : 1,568,430.54 = 287,628.06 : x
  2. Step 2: Convert to fraction form
    1,045,729.74/1,568,430.54 = 287,628.06/x
  3. Step 3: Cross multiply
    1,045,729.74x = 1,568,430.54 × 287,628.06
  4. Step 4: Simplify right side
    1,045,729.74x = 451,124,633,464.95
  5. Step 5: Solve for x
    x = 451,124,633,464.95/1,045,729.74
  6. Step 6: Final answer
    x = 431,396.96

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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.