Home / 1,605,639.13-2,215,812.37-880,443.60

Finding the Fourth Proportional to 1,605,639.13, 2,215,812.37 and 880,443.60

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Solution

The fourth proportional to 1,605,639.13, 2,215,812.37 and 880,443.60 is: 1,215,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,639.13 : 2,215,812.37 = 880,443.60 : x
  2. Step 2: Convert to fraction form
    1,605,639.13/2,215,812.37 = 880,443.60/x
  3. Step 3: Cross multiply
    1,605,639.13x = 2,215,812.37 × 880,443.60
  4. Step 4: Simplify right side
    1,605,639.13x = 1,950,897,819,967.33
  5. Step 5: Solve for x
    x = 1,950,897,819,967.33/1,605,639.13
  6. Step 6: Final answer
    x = 1,215,028.82

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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.