Home / 1,232,059.38-1,699,605.09-779,612.82

Finding the Fourth Proportional to 1,232,059.38, 1,699,605.09 and 779,612.82

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Solution

The fourth proportional to 1,232,059.38, 1,699,605.09 and 779,612.82 is: 1,075,462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,059.38 : 1,699,605.09 = 779,612.82 : x
  2. Step 2: Convert to fraction form
    1,232,059.38/1,699,605.09 = 779,612.82/x
  3. Step 3: Cross multiply
    1,232,059.38x = 1,699,605.09 × 779,612.82
  4. Step 4: Simplify right side
    1,232,059.38x = 1,325,033,917,101.25
  5. Step 5: Solve for x
    x = 1,325,033,917,101.25/1,232,059.38
  6. Step 6: Final answer
    x = 1,075,462.71

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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.