Home / 957,623.60-1,436,435.40-839,428.40

Finding the Fourth Proportional to 957,623.60, 1,436,435.40 and 839,428.40

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Solution

The fourth proportional to 957,623.60, 1,436,435.40 and 839,428.40 is: 1,259,142.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,623.60 : 1,436,435.40 = 839,428.40 : x
  2. Step 2: Convert to fraction form
    957,623.60/1,436,435.40 = 839,428.40/x
  3. Step 3: Cross multiply
    957,623.60x = 1,436,435.40 × 839,428.40
  4. Step 4: Simplify right side
    957,623.60x = 1,205,784,669,525.36
  5. Step 5: Solve for x
    x = 1,205,784,669,525.36/957,623.60
  6. Step 6: Final answer
    x = 1,259,142.60

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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.