Home / 1,438,930.86-1,985,730.93-794,356.35

Finding the Fourth Proportional to 1,438,930.86, 1,985,730.93 and 794,356.35

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Solution

The fourth proportional to 1,438,930.86, 1,985,730.93 and 794,356.35 is: 1,096,215.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,930.86 : 1,985,730.93 = 794,356.35 : x
  2. Step 2: Convert to fraction form
    1,438,930.86/1,985,730.93 = 794,356.35/x
  3. Step 3: Cross multiply
    1,438,930.86x = 1,985,730.93 × 794,356.35
  4. Step 4: Simplify right side
    1,438,930.86x = 1,577,377,959,736.47
  5. Step 5: Solve for x
    x = 1,577,377,959,736.47/1,438,930.86
  6. Step 6: Final answer
    x = 1,096,215.26

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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.