Home / 830,393.03-1,243,375.20-830,393.03

Finding the Fourth Proportional to 830,393.03, 1,243,375.20 and 830,393.03

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Solution

The fourth proportional to 830,393.03, 1,243,375.20 and 830,393.03 is: 1,243,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,393.03 : 1,243,375.20 = 830,393.03 : x
  2. Step 2: Convert to fraction form
    830,393.03/1,243,375.20 = 830,393.03/x
  3. Step 3: Cross multiply
    830,393.03x = 1,243,375.20 × 830,393.03
  4. Step 4: Simplify right side
    830,393.03x = 1,032,490,093,537.98
  5. Step 5: Solve for x
    x = 1,032,490,093,537.98/830,393.03
  6. Step 6: Final answer
    x = 1,243,375.20

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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.