Home / 1,165,118.14-1,605,106.30-1,111,307

Finding the Fourth Proportional to 1,165,118.14, 1,605,106.30 and 1,111,307

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Solution

The fourth proportional to 1,165,118.14, 1,605,106.30 and 1,111,307 is: 1,530,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,118.14 : 1,605,106.30 = 1,111,307 : x
  2. Step 2: Convert to fraction form
    1,165,118.14/1,605,106.30 = 1,111,307/x
  3. Step 3: Cross multiply
    1,165,118.14x = 1,605,106.30 × 1,111,307
  4. Step 4: Simplify right side
    1,165,118.14x = 1,783,765,866,934.10
  5. Step 5: Solve for x
    x = 1,783,765,866,934.10/1,165,118.14
  6. Step 6: Final answer
    x = 1,530,974.25

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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.