Home / 1,993,253.60-2,990,316.45-645,552.43

Finding the Fourth Proportional to 1,993,253.60, 2,990,316.45 and 645,552.43

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Solution

The fourth proportional to 1,993,253.60, 2,990,316.45 and 645,552.43 is: 968,469.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,253.60 : 2,990,316.45 = 645,552.43 : x
  2. Step 2: Convert to fraction form
    1,993,253.60/2,990,316.45 = 645,552.43/x
  3. Step 3: Cross multiply
    1,993,253.60x = 2,990,316.45 × 645,552.43
  4. Step 4: Simplify right side
    1,993,253.60x = 1,930,406,062,532.03
  5. Step 5: Solve for x
    x = 1,930,406,062,532.03/1,993,253.60
  6. Step 6: Final answer
    x = 968,469.87

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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.