Home / 1,008,729.07-1,392,004.21-549,833.54

Finding the Fourth Proportional to 1,008,729.07, 1,392,004.21 and 549,833.54

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Solution

The fourth proportional to 1,008,729.07, 1,392,004.21 and 549,833.54 is: 758,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,729.07 : 1,392,004.21 = 549,833.54 : x
  2. Step 2: Convert to fraction form
    1,008,729.07/1,392,004.21 = 549,833.54/x
  3. Step 3: Cross multiply
    1,008,729.07x = 1,392,004.21 × 549,833.54
  4. Step 4: Simplify right side
    1,008,729.07x = 765,370,602,479.20
  5. Step 5: Solve for x
    x = 765,370,602,479.20/1,008,729.07
  6. Step 6: Final answer
    x = 758,747.44

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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.