Home / 1,269,776.92-1,752,313.44-696,870.40

Finding the Fourth Proportional to 1,269,776.92, 1,752,313.44 and 696,870.40

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Solution

The fourth proportional to 1,269,776.92, 1,752,313.44 and 696,870.40 is: 961,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,776.92 : 1,752,313.44 = 696,870.40 : x
  2. Step 2: Convert to fraction form
    1,269,776.92/1,752,313.44 = 696,870.40/x
  3. Step 3: Cross multiply
    1,269,776.92x = 1,752,313.44 × 696,870.40
  4. Step 4: Simplify right side
    1,269,776.92x = 1,221,135,367,858.18
  5. Step 5: Solve for x
    x = 1,221,135,367,858.18/1,269,776.92
  6. Step 6: Final answer
    x = 961,692.84

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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.