Home / 1,342,850.64-1,853,128.60-731,037.39

Finding the Fourth Proportional to 1,342,850.64, 1,853,128.60 and 731,037.39

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Solution

The fourth proportional to 1,342,850.64, 1,853,128.60 and 731,037.39 is: 1,008,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,850.64 : 1,853,128.60 = 731,037.39 : x
  2. Step 2: Convert to fraction form
    1,342,850.64/1,853,128.60 = 731,037.39/x
  3. Step 3: Cross multiply
    1,342,850.64x = 1,853,128.60 × 731,037.39
  4. Step 4: Simplify right side
    1,342,850.64x = 1,354,706,295,078.35
  5. Step 5: Solve for x
    x = 1,354,706,295,078.35/1,342,850.64
  6. Step 6: Final answer
    x = 1,008,828.72

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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.