Home / 1,994,134.67-2,990,574.60-645,984.48

Finding the Fourth Proportional to 1,994,134.67, 2,990,574.60 and 645,984.48

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Solution

The fourth proportional to 1,994,134.67, 2,990,574.60 and 645,984.48 is: 968,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,134.67 : 2,990,574.60 = 645,984.48 : x
  2. Step 2: Convert to fraction form
    1,994,134.67/2,990,574.60 = 645,984.48/x
  3. Step 3: Cross multiply
    1,994,134.67x = 2,990,574.60 × 645,984.48
  4. Step 4: Simplify right side
    1,994,134.67x = 1,931,864,777,882.21
  5. Step 5: Solve for x
    x = 1,931,864,777,882.21/1,994,134.67
  6. Step 6: Final answer
    x = 968,773.48

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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.