Home / 1,990,281.60-2,985,422.40-494,373.60

Finding the Fourth Proportional to 1,990,281.60, 2,985,422.40 and 494,373.60

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Solution

The fourth proportional to 1,990,281.60, 2,985,422.40 and 494,373.60 is: 741,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,281.60 : 2,985,422.40 = 494,373.60 : x
  2. Step 2: Convert to fraction form
    1,990,281.60/2,985,422.40 = 494,373.60/x
  3. Step 3: Cross multiply
    1,990,281.60x = 2,985,422.40 × 494,373.60
  4. Step 4: Simplify right side
    1,990,281.60x = 1,475,914,019,408.64
  5. Step 5: Solve for x
    x = 1,475,914,019,408.64/1,990,281.60
  6. Step 6: Final answer
    x = 741,560.40

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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.