Home / 1,008,708.42-1,392,008.49-549,822.90

Finding the Fourth Proportional to 1,008,708.42, 1,392,008.49 and 549,822.90

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Solution

The fourth proportional to 1,008,708.42, 1,392,008.49 and 549,822.90 is: 758,750.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,708.42 : 1,392,008.49 = 549,822.90 : x
  2. Step 2: Convert to fraction form
    1,008,708.42/1,392,008.49 = 549,822.90/x
  3. Step 3: Cross multiply
    1,008,708.42x = 1,392,008.49 × 549,822.90
  4. Step 4: Simplify right side
    1,008,708.42x = 765,358,144,796.42
  5. Step 5: Solve for x
    x = 765,358,144,796.42/1,008,708.42
  6. Step 6: Final answer
    x = 758,750.63

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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.