Home / 916,964.80-1,372,336.80-804,990.40

Finding the Fourth Proportional to 916,964.80, 1,372,336.80 and 804,990.40

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Solution

The fourth proportional to 916,964.80, 1,372,336.80 and 804,990.40 is: 1,204,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,964.80 : 1,372,336.80 = 804,990.40 : x
  2. Step 2: Convert to fraction form
    916,964.80/1,372,336.80 = 804,990.40/x
  3. Step 3: Cross multiply
    916,964.80x = 1,372,336.80 × 804,990.40
  4. Step 4: Simplify right side
    916,964.80x = 1,104,717,949,566.72
  5. Step 5: Solve for x
    x = 1,104,717,949,566.72/916,964.80
  6. Step 6: Final answer
    x = 1,204,755.02

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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.