Home / 1,328,148-1,832,615.44-747,290.56

Finding the Fourth Proportional to 1,328,148, 1,832,615.44 and 747,290.56

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Solution

The fourth proportional to 1,328,148, 1,832,615.44 and 747,290.56 is: 1,031,132.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,148 : 1,832,615.44 = 747,290.56 : x
  2. Step 2: Convert to fraction form
    1,328,148/1,832,615.44 = 747,290.56/x
  3. Step 3: Cross multiply
    1,328,148x = 1,832,615.44 × 747,290.56
  4. Step 4: Simplify right side
    1,328,148x = 1,369,496,218,422.25
  5. Step 5: Solve for x
    x = 1,369,496,218,422.25/1,328,148
  6. Step 6: Final answer
    x = 1,031,132.24

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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.