Home / 1,990,510.56-2,985,767.96-494,602.56

Finding the Fourth Proportional to 1,990,510.56, 2,985,767.96 and 494,602.56

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Solution

The fourth proportional to 1,990,510.56, 2,985,767.96 and 494,602.56 is: 741,904.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,510.56 : 2,985,767.96 = 494,602.56 : x
  2. Step 2: Convert to fraction form
    1,990,510.56/2,985,767.96 = 494,602.56/x
  3. Step 3: Cross multiply
    1,990,510.56x = 2,985,767.96 × 494,602.56
  4. Step 4: Simplify right side
    1,990,510.56x = 1,476,768,476,581.98
  5. Step 5: Solve for x
    x = 1,476,768,476,581.98/1,990,510.56
  6. Step 6: Final answer
    x = 741,904.37

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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.