Home / 1,389,096.60-2,083,644.90-959,861.40

Finding the Fourth Proportional to 1,389,096.60, 2,083,644.90 and 959,861.40

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Solution

The fourth proportional to 1,389,096.60, 2,083,644.90 and 959,861.40 is: 1,439,792.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,096.60 : 2,083,644.90 = 959,861.40 : x
  2. Step 2: Convert to fraction form
    1,389,096.60/2,083,644.90 = 959,861.40/x
  3. Step 3: Cross multiply
    1,389,096.60x = 2,083,644.90 × 959,861.40
  4. Step 4: Simplify right side
    1,389,096.60x = 2,000,010,310,816.86
  5. Step 5: Solve for x
    x = 2,000,010,310,816.86/1,389,096.60
  6. Step 6: Final answer
    x = 1,439,792.10

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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.