Home / 1,415,164.42-2,122,765.07-404,319.35

Finding the Fourth Proportional to 1,415,164.42, 2,122,765.07 and 404,319.35

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Solution

The fourth proportional to 1,415,164.42, 2,122,765.07 and 404,319.35 is: 606,484.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,164.42 : 2,122,765.07 = 404,319.35 : x
  2. Step 2: Convert to fraction form
    1,415,164.42/2,122,765.07 = 404,319.35/x
  3. Step 3: Cross multiply
    1,415,164.42x = 2,122,765.07 × 404,319.35
  4. Step 4: Simplify right side
    1,415,164.42x = 858,274,993,305.10
  5. Step 5: Solve for x
    x = 858,274,993,305.10/1,415,164.42
  6. Step 6: Final answer
    x = 606,484.29

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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.