Home / 1,424,398.44-1,965,670.30-779,859.56

Finding the Fourth Proportional to 1,424,398.44, 1,965,670.30 and 779,859.56

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Solution

The fourth proportional to 1,424,398.44, 1,965,670.30 and 779,859.56 is: 1,076,206.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,398.44 : 1,965,670.30 = 779,859.56 : x
  2. Step 2: Convert to fraction form
    1,424,398.44/1,965,670.30 = 779,859.56/x
  3. Step 3: Cross multiply
    1,424,398.44x = 1,965,670.30 × 779,859.56
  4. Step 4: Simplify right side
    1,424,398.44x = 1,532,946,775,263.07
  5. Step 5: Solve for x
    x = 1,532,946,775,263.07/1,424,398.44
  6. Step 6: Final answer
    x = 1,076,206.44

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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.