Home / 1,445,198.48-1,994,228.57-800,498.21

Finding the Fourth Proportional to 1,445,198.48, 1,994,228.57 and 800,498.21

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Solution

The fourth proportional to 1,445,198.48, 1,994,228.57 and 800,498.21 is: 1,104,607.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,198.48 : 1,994,228.57 = 800,498.21 : x
  2. Step 2: Convert to fraction form
    1,445,198.48/1,994,228.57 = 800,498.21/x
  3. Step 3: Cross multiply
    1,445,198.48x = 1,994,228.57 × 800,498.21
  4. Step 4: Simplify right side
    1,445,198.48x = 1,596,376,401,598.94
  5. Step 5: Solve for x
    x = 1,596,376,401,598.94/1,445,198.48
  6. Step 6: Final answer
    x = 1,104,607.03

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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.