Home / 1,399,978.02-2,099,967.03-800,518.68

Finding the Fourth Proportional to 1,399,978.02, 2,099,967.03 and 800,518.68

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Solution

The fourth proportional to 1,399,978.02, 2,099,967.03 and 800,518.68 is: 1,200,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,978.02 : 2,099,967.03 = 800,518.68 : x
  2. Step 2: Convert to fraction form
    1,399,978.02/2,099,967.03 = 800,518.68/x
  3. Step 3: Cross multiply
    1,399,978.02x = 2,099,967.03 × 800,518.68
  4. Step 4: Simplify right side
    1,399,978.02x = 1,681,062,834,899.12
  5. Step 5: Solve for x
    x = 1,681,062,834,899.12/1,399,978.02
  6. Step 6: Final answer
    x = 1,200,778.02

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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.