Home / 919,935.20-1,379,902.80-601,070.60

Finding the Fourth Proportional to 919,935.20, 1,379,902.80 and 601,070.60

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Solution

The fourth proportional to 919,935.20, 1,379,902.80 and 601,070.60 is: 901,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,935.20 : 1,379,902.80 = 601,070.60 : x
  2. Step 2: Convert to fraction form
    919,935.20/1,379,902.80 = 601,070.60/x
  3. Step 3: Cross multiply
    919,935.20x = 1,379,902.80 × 601,070.60
  4. Step 4: Simplify right side
    919,935.20x = 829,419,003,937.68
  5. Step 5: Solve for x
    x = 829,419,003,937.68/919,935.20
  6. Step 6: Final answer
    x = 901,605.90

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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.