Home / 1,990,145.10-2,985,217.65-494,237.10

Finding the Fourth Proportional to 1,990,145.10, 2,985,217.65 and 494,237.10

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Solution

The fourth proportional to 1,990,145.10, 2,985,217.65 and 494,237.10 is: 741,355.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,145.10 : 2,985,217.65 = 494,237.10 : x
  2. Step 2: Convert to fraction form
    1,990,145.10/2,985,217.65 = 494,237.10/x
  3. Step 3: Cross multiply
    1,990,145.10x = 2,985,217.65 × 494,237.10
  4. Step 4: Simplify right side
    1,990,145.10x = 1,475,405,314,204.82
  5. Step 5: Solve for x
    x = 1,475,405,314,204.82/1,990,145.10
  6. Step 6: Final answer
    x = 741,355.65

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Double scale
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Similar ratio
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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.