Home / 1,424,377.44-1,965,641.31-779,838.57

Finding the Fourth Proportional to 1,424,377.44, 1,965,641.31 and 779,838.57

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Solution

The fourth proportional to 1,424,377.44, 1,965,641.31 and 779,838.57 is: 1,076,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,377.44 : 1,965,641.31 = 779,838.57 : x
  2. Step 2: Convert to fraction form
    1,424,377.44/1,965,641.31 = 779,838.57/x
  3. Step 3: Cross multiply
    1,424,377.44x = 1,965,641.31 × 779,838.57
  4. Step 4: Simplify right side
    1,424,377.44x = 1,532,882,908,323.33
  5. Step 5: Solve for x
    x = 1,532,882,908,323.33/1,424,377.44
  6. Step 6: Final answer
    x = 1,076,177.47

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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.