Home / 916,942.30-1,372,303.05-804,967.90

Finding the Fourth Proportional to 916,942.30, 1,372,303.05 and 804,967.90

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Solution

The fourth proportional to 916,942.30, 1,372,303.05 and 804,967.90 is: 1,204,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,942.30 : 1,372,303.05 = 804,967.90 : x
  2. Step 2: Convert to fraction form
    916,942.30/1,372,303.05 = 804,967.90/x
  3. Step 3: Cross multiply
    916,942.30x = 1,372,303.05 × 804,967.90
  4. Step 4: Simplify right side
    916,942.30x = 1,104,659,904,322.10
  5. Step 5: Solve for x
    x = 1,104,659,904,322.10/916,942.30
  6. Step 6: Final answer
    x = 1,204,721.28

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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.