Home / 1,008,728.81-1,392,003.88-549,833.29

Finding the Fourth Proportional to 1,008,728.81, 1,392,003.88 and 549,833.29

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Solution

The fourth proportional to 1,008,728.81, 1,392,003.88 and 549,833.29 is: 758,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,728.81 : 1,392,003.88 = 549,833.29 : x
  2. Step 2: Convert to fraction form
    1,008,728.81/1,392,003.88 = 549,833.29/x
  3. Step 3: Cross multiply
    1,008,728.81x = 1,392,003.88 × 549,833.29
  4. Step 4: Simplify right side
    1,008,728.81x = 765,370,063,323.98
  5. Step 5: Solve for x
    x = 765,370,063,323.98/1,008,728.81
  6. Step 6: Final answer
    x = 758,747.10

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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.