Home / 1,121,749.10-1,682,295.60-402,007.40

Finding the Fourth Proportional to 1,121,749.10, 1,682,295.60 and 402,007.40

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Solution

The fourth proportional to 1,121,749.10, 1,682,295.60 and 402,007.40 is: 602,893.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,749.10 : 1,682,295.60 = 402,007.40 : x
  2. Step 2: Convert to fraction form
    1,121,749.10/1,682,295.60 = 402,007.40/x
  3. Step 3: Cross multiply
    1,121,749.10x = 1,682,295.60 × 402,007.40
  4. Step 4: Simplify right side
    1,121,749.10x = 676,295,280,187.44
  5. Step 5: Solve for x
    x = 676,295,280,187.44/1,121,749.10
  6. Step 6: Final answer
    x = 602,893.53

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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.