Home / 1,994,148.30-2,990,595.03-645,998.10

Finding the Fourth Proportional to 1,994,148.30, 2,990,595.03 and 645,998.10

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Solution

The fourth proportional to 1,994,148.30, 2,990,595.03 and 645,998.10 is: 968,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,148.30 : 2,990,595.03 = 645,998.10 : x
  2. Step 2: Convert to fraction form
    1,994,148.30/2,990,595.03 = 645,998.10/x
  3. Step 3: Cross multiply
    1,994,148.30x = 2,990,595.03 × 645,998.10
  4. Step 4: Simplify right side
    1,994,148.30x = 1,931,918,707,249.44
  5. Step 5: Solve for x
    x = 1,931,918,707,249.44/1,994,148.30
  6. Step 6: Final answer
    x = 968,793.90

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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.