Home / 1,184,940.62-1,635,260.12-668,820.20

Finding the Fourth Proportional to 1,184,940.62, 1,635,260.12 and 668,820.20

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Solution

The fourth proportional to 1,184,940.62, 1,635,260.12 and 668,820.20 is: 922,995.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,940.62 : 1,635,260.12 = 668,820.20 : x
  2. Step 2: Convert to fraction form
    1,184,940.62/1,635,260.12 = 668,820.20/x
  3. Step 3: Cross multiply
    1,184,940.62x = 1,635,260.12 × 668,820.20
  4. Step 4: Simplify right side
    1,184,940.62x = 1,093,695,000,510.42
  5. Step 5: Solve for x
    x = 1,093,695,000,510.42/1,184,940.62
  6. Step 6: Final answer
    x = 922,995.62

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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.