Home / 958,930.80-1,436,495.40-840,735.60

Finding the Fourth Proportional to 958,930.80, 1,436,495.40 and 840,735.60

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Solution

The fourth proportional to 958,930.80, 1,436,495.40 and 840,735.60 is: 1,259,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,930.80 : 1,436,495.40 = 840,735.60 : x
  2. Step 2: Convert to fraction form
    958,930.80/1,436,495.40 = 840,735.60/x
  3. Step 3: Cross multiply
    958,930.80x = 1,436,495.40 × 840,735.60
  4. Step 4: Simplify right side
    958,930.80x = 1,207,712,822,016.24
  5. Step 5: Solve for x
    x = 1,207,712,822,016.24/958,930.80
  6. Step 6: Final answer
    x = 1,259,436.89

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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.