Home / 1,328,012.98-1,992,017.64-529,855.03

Finding the Fourth Proportional to 1,328,012.98, 1,992,017.64 and 529,855.03

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Solution

The fourth proportional to 1,328,012.98, 1,992,017.64 and 529,855.03 is: 794,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,012.98 : 1,992,017.64 = 529,855.03 : x
  2. Step 2: Convert to fraction form
    1,328,012.98/1,992,017.64 = 529,855.03/x
  3. Step 3: Cross multiply
    1,328,012.98x = 1,992,017.64 × 529,855.03
  4. Step 4: Simplify right side
    1,328,012.98x = 1,055,480,566,402.73
  5. Step 5: Solve for x
    x = 1,055,480,566,402.73/1,328,012.98
  6. Step 6: Final answer
    x = 794,781.81

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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.