Home / 1,007,080.70-1,389,789.09-548,208.50

Finding the Fourth Proportional to 1,007,080.70, 1,389,789.09 and 548,208.50

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Solution

The fourth proportional to 1,007,080.70, 1,389,789.09 and 548,208.50 is: 756,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,080.70 : 1,389,789.09 = 548,208.50 : x
  2. Step 2: Convert to fraction form
    1,007,080.70/1,389,789.09 = 548,208.50/x
  3. Step 3: Cross multiply
    1,007,080.70x = 1,389,789.09 × 548,208.50
  4. Step 4: Simplify right side
    1,007,080.70x = 761,894,185,396.32
  5. Step 5: Solve for x
    x = 761,894,185,396.32/1,007,080.70
  6. Step 6: Final answer
    x = 756,537.37

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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.