Home / 1,426,845.58-1,968,994.65-782,251.64

Finding the Fourth Proportional to 1,426,845.58, 1,968,994.65 and 782,251.64

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Solution

The fourth proportional to 1,426,845.58, 1,968,994.65 and 782,251.64 is: 1,079,478.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,845.58 : 1,968,994.65 = 782,251.64 : x
  2. Step 2: Convert to fraction form
    1,426,845.58/1,968,994.65 = 782,251.64/x
  3. Step 3: Cross multiply
    1,426,845.58x = 1,968,994.65 × 782,251.64
  4. Step 4: Simplify right side
    1,426,845.58x = 1,540,249,294,113.73
  5. Step 5: Solve for x
    x = 1,540,249,294,113.73/1,426,845.58
  6. Step 6: Final answer
    x = 1,079,478.62

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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.