Home / 1,124,575.70-1,686,863.64-325,857.80

Finding the Fourth Proportional to 1,124,575.70, 1,686,863.64 and 325,857.80

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Solution

The fourth proportional to 1,124,575.70, 1,686,863.64 and 325,857.80 is: 488,786.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,575.70 : 1,686,863.64 = 325,857.80 : x
  2. Step 2: Convert to fraction form
    1,124,575.70/1,686,863.64 = 325,857.80/x
  3. Step 3: Cross multiply
    1,124,575.70x = 1,686,863.64 × 325,857.80
  4. Step 4: Simplify right side
    1,124,575.70x = 549,677,674,630.39
  5. Step 5: Solve for x
    x = 549,677,674,630.39/1,124,575.70
  6. Step 6: Final answer
    x = 488,786.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.