Home / 1,037,630.10-1,431,711.78-629,946.60

Finding the Fourth Proportional to 1,037,630.10, 1,431,711.78 and 629,946.60

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Solution

The fourth proportional to 1,037,630.10, 1,431,711.78 and 629,946.60 is: 869,194.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,630.10 : 1,431,711.78 = 629,946.60 : x
  2. Step 2: Convert to fraction form
    1,037,630.10/1,431,711.78 = 629,946.60/x
  3. Step 3: Cross multiply
    1,037,630.10x = 1,431,711.78 × 629,946.60
  4. Step 4: Simplify right side
    1,037,630.10x = 901,901,967,990.95
  5. Step 5: Solve for x
    x = 901,901,967,990.95/1,037,630.10
  6. Step 6: Final answer
    x = 869,194.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.