Home / 1,384,443.90-2,077,594.65-485,883.90

Finding the Fourth Proportional to 1,384,443.90, 2,077,594.65 and 485,883.90

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Solution

The fourth proportional to 1,384,443.90, 2,077,594.65 and 485,883.90 is: 729,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,443.90 : 2,077,594.65 = 485,883.90 : x
  2. Step 2: Convert to fraction form
    1,384,443.90/2,077,594.65 = 485,883.90/x
  3. Step 3: Cross multiply
    1,384,443.90x = 2,077,594.65 × 485,883.90
  4. Step 4: Simplify right side
    1,384,443.90x = 1,009,469,791,161.14
  5. Step 5: Solve for x
    x = 1,009,469,791,161.14/1,384,443.90
  6. Step 6: Final answer
    x = 729,151.82

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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.