Home / 1,006,991.24-1,389,648.30-554,279

Finding the Fourth Proportional to 1,006,991.24, 1,389,648.30 and 554,279

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Solution

The fourth proportional to 1,006,991.24, 1,389,648.30 and 554,279 is: 764,905.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,991.24 : 1,389,648.30 = 554,279 : x
  2. Step 2: Convert to fraction form
    1,006,991.24/1,389,648.30 = 554,279/x
  3. Step 3: Cross multiply
    1,006,991.24x = 1,389,648.30 × 554,279
  4. Step 4: Simplify right side
    1,006,991.24x = 770,252,870,075.70
  5. Step 5: Solve for x
    x = 770,252,870,075.70/1,006,991.24
  6. Step 6: Final answer
    x = 764,905.23

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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.