Home / 1,628,439.40-2,441,492.70-681,322.60

Finding the Fourth Proportional to 1,628,439.40, 2,441,492.70 and 681,322.60

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Solution

The fourth proportional to 1,628,439.40, 2,441,492.70 and 681,322.60 is: 1,021,495.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,439.40 : 2,441,492.70 = 681,322.60 : x
  2. Step 2: Convert to fraction form
    1,628,439.40/2,441,492.70 = 681,322.60/x
  3. Step 3: Cross multiply
    1,628,439.40x = 2,441,492.70 × 681,322.60
  4. Step 4: Simplify right side
    1,628,439.40x = 1,663,444,154,245.02
  5. Step 5: Solve for x
    x = 1,663,444,154,245.02/1,628,439.40
  6. Step 6: Final answer
    x = 1,021,495.89

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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.