Home / 1,326,675.13-1,990,034.30-380,042.17

Finding the Fourth Proportional to 1,326,675.13, 1,990,034.30 and 380,042.17

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Solution

The fourth proportional to 1,326,675.13, 1,990,034.30 and 380,042.17 is: 570,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,675.13 : 1,990,034.30 = 380,042.17 : x
  2. Step 2: Convert to fraction form
    1,326,675.13/1,990,034.30 = 380,042.17/x
  3. Step 3: Cross multiply
    1,326,675.13x = 1,990,034.30 × 380,042.17
  4. Step 4: Simplify right side
    1,326,675.13x = 756,296,941,896.05
  5. Step 5: Solve for x
    x = 756,296,941,896.05/1,326,675.13
  6. Step 6: Final answer
    x = 570,069.44

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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.