Home / 959,971.40-1,439,957.10-945,974.60

Finding the Fourth Proportional to 959,971.40, 1,439,957.10 and 945,974.60

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Solution

The fourth proportional to 959,971.40, 1,439,957.10 and 945,974.60 is: 1,418,961.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,971.40 : 1,439,957.10 = 945,974.60 : x
  2. Step 2: Convert to fraction form
    959,971.40/1,439,957.10 = 945,974.60/x
  3. Step 3: Cross multiply
    959,971.40x = 1,439,957.10 × 945,974.60
  4. Step 4: Simplify right side
    959,971.40x = 1,362,162,841,689.66
  5. Step 5: Solve for x
    x = 1,362,162,841,689.66/959,971.40
  6. Step 6: Final answer
    x = 1,418,961.90

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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.