Home / 1,172,913.80-1,757,297.10-1,040,203.40

Finding the Fourth Proportional to 1,172,913.80, 1,757,297.10 and 1,040,203.40

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Solution

The fourth proportional to 1,172,913.80, 1,757,297.10 and 1,040,203.40 is: 1,558,466.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,913.80 : 1,757,297.10 = 1,040,203.40 : x
  2. Step 2: Convert to fraction form
    1,172,913.80/1,757,297.10 = 1,040,203.40/x
  3. Step 3: Cross multiply
    1,172,913.80x = 1,757,297.10 × 1,040,203.40
  4. Step 4: Simplify right side
    1,172,913.80x = 1,827,946,418,230.14
  5. Step 5: Solve for x
    x = 1,827,946,418,230.14/1,172,913.80
  6. Step 6: Final answer
    x = 1,558,466.12

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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.