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Finding the Fourth Proportional to 940,748.48, 1,404,013.55 and 849,946.97

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Solution

The fourth proportional to 940,748.48, 1,404,013.55 and 849,946.97 is: 1,268,497.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,748.48 : 1,404,013.55 = 849,946.97 : x
  2. Step 2: Convert to fraction form
    940,748.48/1,404,013.55 = 849,946.97/x
  3. Step 3: Cross multiply
    940,748.48x = 1,404,013.55 × 849,946.97
  4. Step 4: Simplify right side
    940,748.48x = 1,193,337,066,702.69
  5. Step 5: Solve for x
    x = 1,193,337,066,702.69/940,748.48
  6. Step 6: Final answer
    x = 1,268,497.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.