Home / 1,100,620.56-1,518,212.72-692,075.60

Finding the Fourth Proportional to 1,100,620.56, 1,518,212.72 and 692,075.60

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Solution

The fourth proportional to 1,100,620.56, 1,518,212.72 and 692,075.60 is: 954,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,620.56 : 1,518,212.72 = 692,075.60 : x
  2. Step 2: Convert to fraction form
    1,100,620.56/1,518,212.72 = 692,075.60/x
  3. Step 3: Cross multiply
    1,100,620.56x = 1,518,212.72 × 692,075.60
  4. Step 4: Simplify right side
    1,100,620.56x = 1,050,717,979,121.63
  5. Step 5: Solve for x
    x = 1,050,717,979,121.63/1,100,620.56
  6. Step 6: Final answer
    x = 954,659.60

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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.