Home / 1,426,824.73-1,969,017.60-782,231.14

Finding the Fourth Proportional to 1,426,824.73, 1,969,017.60 and 782,231.14

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Solution

The fourth proportional to 1,426,824.73, 1,969,017.60 and 782,231.14 is: 1,079,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,824.73 : 1,969,017.60 = 782,231.14 : x
  2. Step 2: Convert to fraction form
    1,426,824.73/1,969,017.60 = 782,231.14/x
  3. Step 3: Cross multiply
    1,426,824.73x = 1,969,017.60 × 782,231.14
  4. Step 4: Simplify right side
    1,426,824.73x = 1,540,226,881,928.06
  5. Step 5: Solve for x
    x = 1,540,226,881,928.06/1,426,824.73
  6. Step 6: Final answer
    x = 1,079,478.68

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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.