Home / 1,990,253.60-2,985,380.40-494,345.60

Finding the Fourth Proportional to 1,990,253.60, 2,985,380.40 and 494,345.60

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Solution

The fourth proportional to 1,990,253.60, 2,985,380.40 and 494,345.60 is: 741,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,253.60 : 2,985,380.40 = 494,345.60 : x
  2. Step 2: Convert to fraction form
    1,990,253.60/2,985,380.40 = 494,345.60/x
  3. Step 3: Cross multiply
    1,990,253.60x = 2,985,380.40 × 494,345.60
  4. Step 4: Simplify right side
    1,990,253.60x = 1,475,809,665,066.24
  5. Step 5: Solve for x
    x = 1,475,809,665,066.24/1,990,253.60
  6. Step 6: Final answer
    x = 741,518.40

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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.