Home / 1,371,778.91-1,893,054.65-759,971.43

Finding the Fourth Proportional to 1,371,778.91, 1,893,054.65 and 759,971.43

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Solution

The fourth proportional to 1,371,778.91, 1,893,054.65 and 759,971.43 is: 1,048,760.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,778.91 : 1,893,054.65 = 759,971.43 : x
  2. Step 2: Convert to fraction form
    1,371,778.91/1,893,054.65 = 759,971.43/x
  3. Step 3: Cross multiply
    1,371,778.91x = 1,893,054.65 × 759,971.43
  4. Step 4: Simplify right side
    1,371,778.91x = 1,438,667,445,628.79
  5. Step 5: Solve for x
    x = 1,438,667,445,628.79/1,371,778.91
  6. Step 6: Final answer
    x = 1,048,760.44

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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.