Home / 1,615,665.84-2,229,608.88-880,619.28

Finding the Fourth Proportional to 1,615,665.84, 2,229,608.88 and 880,619.28

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Solution

The fourth proportional to 1,615,665.84, 2,229,608.88 and 880,619.28 is: 1,215,249.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,665.84 : 2,229,608.88 = 880,619.28 : x
  2. Step 2: Convert to fraction form
    1,615,665.84/2,229,608.88 = 880,619.28/x
  3. Step 3: Cross multiply
    1,615,665.84x = 2,229,608.88 × 880,619.28
  4. Step 4: Simplify right side
    1,615,665.84x = 1,963,436,566,587.21
  5. Step 5: Solve for x
    x = 1,963,436,566,587.21/1,615,665.84
  6. Step 6: Final answer
    x = 1,215,249.17

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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.