Home / 1,008,728.57-1,392,003.52-549,833.04

Finding the Fourth Proportional to 1,008,728.57, 1,392,003.52 and 549,833.04

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Solution

The fourth proportional to 1,008,728.57, 1,392,003.52 and 549,833.04 is: 758,746.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,728.57 : 1,392,003.52 = 549,833.04 : x
  2. Step 2: Convert to fraction form
    1,008,728.57/1,392,003.52 = 549,833.04/x
  3. Step 3: Cross multiply
    1,008,728.57x = 1,392,003.52 × 549,833.04
  4. Step 4: Simplify right side
    1,008,728.57x = 765,369,525,717.72
  5. Step 5: Solve for x
    x = 765,369,525,717.72/1,008,728.57
  6. Step 6: Final answer
    x = 758,746.75

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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.