Home / 1,315,100.14-1,814,734.83-805,733.26

Finding the Fourth Proportional to 1,315,100.14, 1,814,734.83 and 805,733.26

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Solution

The fourth proportional to 1,315,100.14, 1,814,734.83 and 805,733.26 is: 1,111,848.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,100.14 : 1,814,734.83 = 805,733.26 : x
  2. Step 2: Convert to fraction form
    1,315,100.14/1,814,734.83 = 805,733.26/x
  3. Step 3: Cross multiply
    1,315,100.14x = 1,814,734.83 × 805,733.26
  4. Step 4: Simplify right side
    1,315,100.14x = 1,462,192,210,611.45
  5. Step 5: Solve for x
    x = 1,462,192,210,611.45/1,315,100.14
  6. Step 6: Final answer
    x = 1,111,848.57

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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.