Home / 1,128,554.91-1,691,642.19-370,198.35

Finding the Fourth Proportional to 1,128,554.91, 1,691,642.19 and 370,198.35

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Solution

The fourth proportional to 1,128,554.91, 1,691,642.19 and 370,198.35 is: 554,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,554.91 : 1,691,642.19 = 370,198.35 : x
  2. Step 2: Convert to fraction form
    1,128,554.91/1,691,642.19 = 370,198.35/x
  3. Step 3: Cross multiply
    1,128,554.91x = 1,691,642.19 × 370,198.35
  4. Step 4: Simplify right side
    1,128,554.91x = 626,243,147,528.39
  5. Step 5: Solve for x
    x = 626,243,147,528.39/1,128,554.91
  6. Step 6: Final answer
    x = 554,907.11

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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.