Home / 1,107,789.40-1,528,749.01-598,491.78

Finding the Fourth Proportional to 1,107,789.40, 1,528,749.01 and 598,491.78

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Solution

The fourth proportional to 1,107,789.40, 1,528,749.01 and 598,491.78 is: 825,918.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,789.40 : 1,528,749.01 = 598,491.78 : x
  2. Step 2: Convert to fraction form
    1,107,789.40/1,528,749.01 = 598,491.78/x
  3. Step 3: Cross multiply
    1,107,789.40x = 1,528,749.01 × 598,491.78
  4. Step 4: Simplify right side
    1,107,789.40x = 914,943,716,168.14
  5. Step 5: Solve for x
    x = 914,943,716,168.14/1,107,789.40
  6. Step 6: Final answer
    x = 825,918.46

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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.