Home / 1,990,324.82-2,985,589.30-570,393.20

Finding the Fourth Proportional to 1,990,324.82, 2,985,589.30 and 570,393.20

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Solution

The fourth proportional to 1,990,324.82, 2,985,589.30 and 570,393.20 is: 855,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,324.82 : 2,985,589.30 = 570,393.20 : x
  2. Step 2: Convert to fraction form
    1,990,324.82/2,985,589.30 = 570,393.20/x
  3. Step 3: Cross multiply
    1,990,324.82x = 2,985,589.30 × 570,393.20
  4. Step 4: Simplify right side
    1,990,324.82x = 1,702,959,834,712.76
  5. Step 5: Solve for x
    x = 1,702,959,834,712.76/1,990,324.82
  6. Step 6: Final answer
    x = 855,619.05

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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.