Home / 1,140,306.78-1,573,516.50-681,329.94

Finding the Fourth Proportional to 1,140,306.78, 1,573,516.50 and 681,329.94

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Solution

The fourth proportional to 1,140,306.78, 1,573,516.50 and 681,329.94 is: 940,171.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,306.78 : 1,573,516.50 = 681,329.94 : x
  2. Step 2: Convert to fraction form
    1,140,306.78/1,573,516.50 = 681,329.94/x
  3. Step 3: Cross multiply
    1,140,306.78x = 1,573,516.50 × 681,329.94
  4. Step 4: Simplify right side
    1,140,306.78x = 1,072,083,902,534.01
  5. Step 5: Solve for x
    x = 1,072,083,902,534.01/1,140,306.78
  6. Step 6: Final answer
    x = 940,171.47

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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.