Home / 994,340.40-1,489,979.70-740,429.70

Finding the Fourth Proportional to 994,340.40, 1,489,979.70 and 740,429.70

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Solution

The fourth proportional to 994,340.40, 1,489,979.70 and 740,429.70 is: 1,109,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,340.40 : 1,489,979.70 = 740,429.70 : x
  2. Step 2: Convert to fraction form
    994,340.40/1,489,979.70 = 740,429.70/x
  3. Step 3: Cross multiply
    994,340.40x = 1,489,979.70 × 740,429.70
  4. Step 4: Simplify right side
    994,340.40x = 1,103,225,222,277.09
  5. Step 5: Solve for x
    x = 1,103,225,222,277.09/994,340.40
  6. Step 6: Final answer
    x = 1,109,504.57

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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.