Home / 1,480,745.76-2,221,254.18-415,780.64

Finding the Fourth Proportional to 1,480,745.76, 2,221,254.18 and 415,780.64

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Solution

The fourth proportional to 1,480,745.76, 2,221,254.18 and 415,780.64 is: 623,709.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,745.76 : 2,221,254.18 = 415,780.64 : x
  2. Step 2: Convert to fraction form
    1,480,745.76/2,221,254.18 = 415,780.64/x
  3. Step 3: Cross multiply
    1,480,745.76x = 2,221,254.18 × 415,780.64
  4. Step 4: Simplify right side
    1,480,745.76x = 923,554,471,377.90
  5. Step 5: Solve for x
    x = 923,554,471,377.90/1,480,745.76
  6. Step 6: Final answer
    x = 623,709.01

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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.