Home / 1,688,858.28-2,330,578.92-963,692.88

Finding the Fourth Proportional to 1,688,858.28, 2,330,578.92 and 963,692.88

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Solution

The fourth proportional to 1,688,858.28, 2,330,578.92 and 963,692.88 is: 1,329,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,858.28 : 2,330,578.92 = 963,692.88 : x
  2. Step 2: Convert to fraction form
    1,688,858.28/2,330,578.92 = 963,692.88/x
  3. Step 3: Cross multiply
    1,688,858.28x = 2,330,578.92 × 963,692.88
  4. Step 4: Simplify right side
    1,688,858.28x = 2,245,962,311,482.09
  5. Step 5: Solve for x
    x = 2,245,962,311,482.09/1,688,858.28
  6. Step 6: Final answer
    x = 1,329,870.21

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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.