Home / 891,137.92-1,334,342.08-697,078.40

Finding the Fourth Proportional to 891,137.92, 1,334,342.08 and 697,078.40

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Solution

The fourth proportional to 891,137.92, 1,334,342.08 and 697,078.40 is: 1,043,767.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,137.92 : 1,334,342.08 = 697,078.40 : x
  2. Step 2: Convert to fraction form
    891,137.92/1,334,342.08 = 697,078.40/x
  3. Step 3: Cross multiply
    891,137.92x = 1,334,342.08 × 697,078.40
  4. Step 4: Simplify right side
    891,137.92x = 930,141,042,179.07
  5. Step 5: Solve for x
    x = 930,141,042,179.07/891,137.92
  6. Step 6: Final answer
    x = 1,043,767.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.