Home / 1,328,539.10-1,992,808.65-796,660.70

Finding the Fourth Proportional to 1,328,539.10, 1,992,808.65 and 796,660.70

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Solution

The fourth proportional to 1,328,539.10, 1,992,808.65 and 796,660.70 is: 1,194,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,539.10 : 1,992,808.65 = 796,660.70 : x
  2. Step 2: Convert to fraction form
    1,328,539.10/1,992,808.65 = 796,660.70/x
  3. Step 3: Cross multiply
    1,328,539.10x = 1,992,808.65 × 796,660.70
  4. Step 4: Simplify right side
    1,328,539.10x = 1,587,592,334,075.06
  5. Step 5: Solve for x
    x = 1,587,592,334,075.06/1,328,539.10
  6. Step 6: Final answer
    x = 1,194,991.05

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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.