Home / 1,390,092.49-2,085,310.48-491,348.89

Finding the Fourth Proportional to 1,390,092.49, 2,085,310.48 and 491,348.89

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Solution

The fourth proportional to 1,390,092.49, 2,085,310.48 and 491,348.89 is: 737,084.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,092.49 : 2,085,310.48 = 491,348.89 : x
  2. Step 2: Convert to fraction form
    1,390,092.49/2,085,310.48 = 491,348.89/x
  3. Step 3: Cross multiply
    1,390,092.49x = 2,085,310.48 × 491,348.89
  4. Step 4: Simplify right side
    1,390,092.49x = 1,024,614,989,653.37
  5. Step 5: Solve for x
    x = 1,024,614,989,653.37/1,390,092.49
  6. Step 6: Final answer
    x = 737,084.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.