Home / 1,388,418.51-2,082,673.59-477,591.84

Finding the Fourth Proportional to 1,388,418.51, 2,082,673.59 and 477,591.84

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Solution

The fourth proportional to 1,388,418.51, 2,082,673.59 and 477,591.84 is: 716,403.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,418.51 : 2,082,673.59 = 477,591.84 : x
  2. Step 2: Convert to fraction form
    1,388,418.51/2,082,673.59 = 477,591.84/x
  3. Step 3: Cross multiply
    1,388,418.51x = 2,082,673.59 × 477,591.84
  4. Step 4: Simplify right side
    1,388,418.51x = 994,667,911,967.51
  5. Step 5: Solve for x
    x = 994,667,911,967.51/1,388,418.51
  6. Step 6: Final answer
    x = 716,403.52

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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.