Home / 1,087,629.12-1,500,970.74-744,185.38

Finding the Fourth Proportional to 1,087,629.12, 1,500,970.74 and 744,185.38

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Solution

The fourth proportional to 1,087,629.12, 1,500,970.74 and 744,185.38 is: 1,027,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,629.12 : 1,500,970.74 = 744,185.38 : x
  2. Step 2: Convert to fraction form
    1,087,629.12/1,500,970.74 = 744,185.38/x
  3. Step 3: Cross multiply
    1,087,629.12x = 1,500,970.74 × 744,185.38
  4. Step 4: Simplify right side
    1,087,629.12x = 1,117,000,480,515.78
  5. Step 5: Solve for x
    x = 1,117,000,480,515.78/1,087,629.12
  6. Step 6: Final answer
    x = 1,027,004.94

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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.