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Finding the Fourth Proportional to 973,840.40, 1,460,760.60 and 959,843.60

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Solution

The fourth proportional to 973,840.40, 1,460,760.60 and 959,843.60 is: 1,439,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,840.40 : 1,460,760.60 = 959,843.60 : x
  2. Step 2: Convert to fraction form
    973,840.40/1,460,760.60 = 959,843.60/x
  3. Step 3: Cross multiply
    973,840.40x = 1,460,760.60 × 959,843.60
  4. Step 4: Simplify right side
    973,840.40x = 1,402,101,713,042.16
  5. Step 5: Solve for x
    x = 1,402,101,713,042.16/973,840.40
  6. Step 6: Final answer
    x = 1,439,765.40

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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.