Home / 1,384,466.40-2,077,628.40-485,906.40

Finding the Fourth Proportional to 1,384,466.40, 2,077,628.40 and 485,906.40

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Solution

The fourth proportional to 1,384,466.40, 2,077,628.40 and 485,906.40 is: 729,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,466.40 : 2,077,628.40 = 485,906.40 : x
  2. Step 2: Convert to fraction form
    1,384,466.40/2,077,628.40 = 485,906.40/x
  3. Step 3: Cross multiply
    1,384,466.40x = 2,077,628.40 × 485,906.40
  4. Step 4: Simplify right side
    1,384,466.40x = 1,009,532,936,381.76
  5. Step 5: Solve for x
    x = 1,009,532,936,381.76/1,384,466.40
  6. Step 6: Final answer
    x = 729,185.58

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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.