Home / 1,426,724.84-1,968,880.10-782,149.59

Finding the Fourth Proportional to 1,426,724.84, 1,968,880.10 and 782,149.59

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Solution

The fourth proportional to 1,426,724.84, 1,968,880.10 and 782,149.59 is: 1,079,366.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,724.84 : 1,968,880.10 = 782,149.59 : x
  2. Step 2: Convert to fraction form
    1,426,724.84/1,968,880.10 = 782,149.59/x
  3. Step 3: Cross multiply
    1,426,724.84x = 1,968,880.10 × 782,149.59
  4. Step 4: Simplify right side
    1,426,724.84x = 1,539,958,759,063.41
  5. Step 5: Solve for x
    x = 1,539,958,759,063.41/1,426,724.84
  6. Step 6: Final answer
    x = 1,079,366.34

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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.