Home / 1,366,974.34-1,886,440.42-755,114.43

Finding the Fourth Proportional to 1,366,974.34, 1,886,440.42 and 755,114.43

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Solution

The fourth proportional to 1,366,974.34, 1,886,440.42 and 755,114.43 is: 1,042,066.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,974.34 : 1,886,440.42 = 755,114.43 : x
  2. Step 2: Convert to fraction form
    1,366,974.34/1,886,440.42 = 755,114.43/x
  3. Step 3: Cross multiply
    1,366,974.34x = 1,886,440.42 × 755,114.43
  4. Step 4: Simplify right side
    1,366,974.34x = 1,424,478,372,985.63
  5. Step 5: Solve for x
    x = 1,424,478,372,985.63/1,366,974.34
  6. Step 6: Final answer
    x = 1,042,066.65

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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.