Home / 1,423,300.21-1,964,151.99-778,723.00

Finding the Fourth Proportional to 1,423,300.21, 1,964,151.99 and 778,723.00

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Solution

The fourth proportional to 1,423,300.21, 1,964,151.99 and 778,723.00 is: 1,074,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,300.21 : 1,964,151.99 = 778,723.00 : x
  2. Step 2: Convert to fraction form
    1,423,300.21/1,964,151.99 = 778,723.00/x
  3. Step 3: Cross multiply
    1,423,300.21x = 1,964,151.99 × 778,723.00
  4. Step 4: Simplify right side
    1,423,300.21x = 1,529,530,325,198.39
  5. Step 5: Solve for x
    x = 1,529,530,325,198.39/1,423,300.21
  6. Step 6: Final answer
    x = 1,074,636.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.