Home / 1,458,377.69-2,012,675.80-805,133.55

Finding the Fourth Proportional to 1,458,377.69, 2,012,675.80 and 805,133.55

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Solution

The fourth proportional to 1,458,377.69, 2,012,675.80 and 805,133.55 is: 1,111,147.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,377.69 : 2,012,675.80 = 805,133.55 : x
  2. Step 2: Convert to fraction form
    1,458,377.69/2,012,675.80 = 805,133.55/x
  3. Step 3: Cross multiply
    1,458,377.69x = 2,012,675.80 × 805,133.55
  4. Step 4: Simplify right side
    1,458,377.69x = 1,620,472,809,840.26
  5. Step 5: Solve for x
    x = 1,620,472,809,840.26/1,458,377.69
  6. Step 6: Final answer
    x = 1,111,147.56

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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.