Home / 1,384,226.55-2,072,587.91-717,978.87

Finding the Fourth Proportional to 1,384,226.55, 2,072,587.91 and 717,978.87

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Solution

The fourth proportional to 1,384,226.55, 2,072,587.91 and 717,978.87 is: 1,075,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,226.55 : 2,072,587.91 = 717,978.87 : x
  2. Step 2: Convert to fraction form
    1,384,226.55/2,072,587.91 = 717,978.87/x
  3. Step 3: Cross multiply
    1,384,226.55x = 2,072,587.91 × 717,978.87
  4. Step 4: Simplify right side
    1,384,226.55x = 1,488,074,322,007.57
  5. Step 5: Solve for x
    x = 1,488,074,322,007.57/1,384,226.55
  6. Step 6: Final answer
    x = 1,075,022.24

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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.