Home / 1,219,731.67-1,683,204.60-675,862.71

Finding the Fourth Proportional to 1,219,731.67, 1,683,204.60 and 675,862.71

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Solution

The fourth proportional to 1,219,731.67, 1,683,204.60 and 675,862.71 is: 932,676.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,731.67 : 1,683,204.60 = 675,862.71 : x
  2. Step 2: Convert to fraction form
    1,219,731.67/1,683,204.60 = 675,862.71/x
  3. Step 3: Cross multiply
    1,219,731.67x = 1,683,204.60 × 675,862.71
  4. Step 4: Simplify right side
    1,219,731.67x = 1,137,615,222,440.47
  5. Step 5: Solve for x
    x = 1,137,615,222,440.47/1,219,731.67
  6. Step 6: Final answer
    x = 932,676.63

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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.