Home / 1,464,910-2,197,378.68-518,441.20

Finding the Fourth Proportional to 1,464,910, 2,197,378.68 and 518,441.20

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Solution

The fourth proportional to 1,464,910, 2,197,378.68 and 518,441.20 is: 777,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,910 : 2,197,378.68 = 518,441.20 : x
  2. Step 2: Convert to fraction form
    1,464,910/2,197,378.68 = 518,441.20/x
  3. Step 3: Cross multiply
    1,464,910x = 2,197,378.68 × 518,441.20
  4. Step 4: Simplify right side
    1,464,910x = 1,139,211,639,713.62
  5. Step 5: Solve for x
    x = 1,139,211,639,713.62/1,464,910
  6. Step 6: Final answer
    x = 777,666.64

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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.