Home / 1,413,029.16-1,949,961.90-768,435.63

Finding the Fourth Proportional to 1,413,029.16, 1,949,961.90 and 768,435.63

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Solution

The fourth proportional to 1,413,029.16, 1,949,961.90 and 768,435.63 is: 1,060,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,029.16 : 1,949,961.90 = 768,435.63 : x
  2. Step 2: Convert to fraction form
    1,413,029.16/1,949,961.90 = 768,435.63/x
  3. Step 3: Cross multiply
    1,413,029.16x = 1,949,961.90 × 768,435.63
  4. Step 4: Simplify right side
    1,413,029.16x = 1,498,420,201,102.50
  5. Step 5: Solve for x
    x = 1,498,420,201,102.50/1,413,029.16
  6. Step 6: Final answer
    x = 1,060,431.20

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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.