Home / 1,978,575.28-2,968,077.98-630,421.00

Finding the Fourth Proportional to 1,978,575.28, 2,968,077.98 and 630,421.00

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Solution

The fourth proportional to 1,978,575.28, 2,968,077.98 and 630,421.00 is: 945,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,978,575.28 : 2,968,077.98 = 630,421.00 : x
  2. Step 2: Convert to fraction form
    1,978,575.28/2,968,077.98 = 630,421.00/x
  3. Step 3: Cross multiply
    1,978,575.28x = 2,968,077.98 × 630,421.00
  4. Step 4: Simplify right side
    1,978,575.28x = 1,871,138,682,385.44
  5. Step 5: Solve for x
    x = 1,871,138,682,385.44/1,978,575.28
  6. Step 6: Final answer
    x = 945,700.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.