Home / 1,013,399.54-1,398,353.66-605,415.03

Finding the Fourth Proportional to 1,013,399.54, 1,398,353.66 and 605,415.03

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Solution

The fourth proportional to 1,013,399.54, 1,398,353.66 and 605,415.03 is: 835,390.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,399.54 : 1,398,353.66 = 605,415.03 : x
  2. Step 2: Convert to fraction form
    1,013,399.54/1,398,353.66 = 605,415.03/x
  3. Step 3: Cross multiply
    1,013,399.54x = 1,398,353.66 × 605,415.03
  4. Step 4: Simplify right side
    1,013,399.54x = 846,584,317,018.92
  5. Step 5: Solve for x
    x = 846,584,317,018.92/1,013,399.54
  6. Step 6: Final answer
    x = 835,390.47

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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.