Home / 1,426,816.74-1,969,006.56-782,223.10

Finding the Fourth Proportional to 1,426,816.74, 1,969,006.56 and 782,223.10

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Solution

The fourth proportional to 1,426,816.74, 1,969,006.56 and 782,223.10 is: 1,079,467.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,816.74 : 1,969,006.56 = 782,223.10 : x
  2. Step 2: Convert to fraction form
    1,426,816.74/1,969,006.56 = 782,223.10/x
  3. Step 3: Cross multiply
    1,426,816.74x = 1,969,006.56 × 782,223.10
  4. Step 4: Simplify right side
    1,426,816.74x = 1,540,202,415,283.54
  5. Step 5: Solve for x
    x = 1,540,202,415,283.54/1,426,816.74
  6. Step 6: Final answer
    x = 1,079,467.58

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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.