Home / 1,438,371.76-1,984,951.02-793,791.88

Finding the Fourth Proportional to 1,438,371.76, 1,984,951.02 and 793,791.88

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Solution

The fourth proportional to 1,438,371.76, 1,984,951.02 and 793,791.88 is: 1,095,431.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,371.76 : 1,984,951.02 = 793,791.88 : x
  2. Step 2: Convert to fraction form
    1,438,371.76/1,984,951.02 = 793,791.88/x
  3. Step 3: Cross multiply
    1,438,371.76x = 1,984,951.02 × 793,791.88
  4. Step 4: Simplify right side
    1,438,371.76x = 1,575,638,001,873.72
  5. Step 5: Solve for x
    x = 1,575,638,001,873.72/1,438,371.76
  6. Step 6: Final answer
    x = 1,095,431.69

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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.