Home / 959,980.40-1,439,970.60-945,983.60

Finding the Fourth Proportional to 959,980.40, 1,439,970.60 and 945,983.60

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Solution

The fourth proportional to 959,980.40, 1,439,970.60 and 945,983.60 is: 1,418,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,980.40 : 1,439,970.60 = 945,983.60 : x
  2. Step 2: Convert to fraction form
    959,980.40/1,439,970.60 = 945,983.60/x
  3. Step 3: Cross multiply
    959,980.40x = 1,439,970.60 × 945,983.60
  4. Step 4: Simplify right side
    959,980.40x = 1,362,188,572,082.16
  5. Step 5: Solve for x
    x = 1,362,188,572,082.16/959,980.40
  6. Step 6: Final answer
    x = 1,418,975.40

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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.