Home / 1,433,978.21-2,151,038.78-409,460.44

Finding the Fourth Proportional to 1,433,978.21, 2,151,038.78 and 409,460.44

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Solution

The fourth proportional to 1,433,978.21, 2,151,038.78 and 409,460.44 is: 614,211.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,978.21 : 2,151,038.78 = 409,460.44 : x
  2. Step 2: Convert to fraction form
    1,433,978.21/2,151,038.78 = 409,460.44/x
  3. Step 3: Cross multiply
    1,433,978.21x = 2,151,038.78 × 409,460.44
  4. Step 4: Simplify right side
    1,433,978.21x = 880,765,283,711.08
  5. Step 5: Solve for x
    x = 880,765,283,711.08/1,433,978.21
  6. Step 6: Final answer
    x = 614,211.07

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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.