Home / 916,918.30-1,372,267.05-804,943.90

Finding the Fourth Proportional to 916,918.30, 1,372,267.05 and 804,943.90

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Solution

The fourth proportional to 916,918.30, 1,372,267.05 and 804,943.90 is: 1,204,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,918.30 : 1,372,267.05 = 804,943.90 : x
  2. Step 2: Convert to fraction form
    916,918.30/1,372,267.05 = 804,943.90/x
  3. Step 3: Cross multiply
    916,918.30x = 1,372,267.05 × 804,943.90
  4. Step 4: Simplify right side
    916,918.30x = 1,104,597,991,068.50
  5. Step 5: Solve for x
    x = 1,104,597,991,068.50/916,918.30
  6. Step 6: Final answer
    x = 1,204,685.29

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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.