Home / 1,086,464.40-1,628,530.20-412,285.20

Finding the Fourth Proportional to 1,086,464.40, 1,628,530.20 and 412,285.20

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Solution

The fourth proportional to 1,086,464.40, 1,628,530.20 and 412,285.20 is: 617,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,464.40 : 1,628,530.20 = 412,285.20 : x
  2. Step 2: Convert to fraction form
    1,086,464.40/1,628,530.20 = 412,285.20/x
  3. Step 3: Cross multiply
    1,086,464.40x = 1,628,530.20 × 412,285.20
  4. Step 4: Simplify right side
    1,086,464.40x = 671,418,899,213.04
  5. Step 5: Solve for x
    x = 671,418,899,213.04/1,086,464.40
  6. Step 6: Final answer
    x = 617,985.18

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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.