Home / 1,011,983.82-1,518,194.46-380,895.84

Finding the Fourth Proportional to 1,011,983.82, 1,518,194.46 and 380,895.84

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Solution

The fourth proportional to 1,011,983.82, 1,518,194.46 and 380,895.84 is: 571,426.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,983.82 : 1,518,194.46 = 380,895.84 : x
  2. Step 2: Convert to fraction form
    1,011,983.82/1,518,194.46 = 380,895.84/x
  3. Step 3: Cross multiply
    1,011,983.82x = 1,518,194.46 × 380,895.84
  4. Step 4: Simplify right side
    1,011,983.82x = 578,273,954,125.05
  5. Step 5: Solve for x
    x = 578,273,954,125.05/1,011,983.82
  6. Step 6: Final answer
    x = 571,426.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.