Home / 1,305,137.76-1,957,480.90-345,607.16

Finding the Fourth Proportional to 1,305,137.76, 1,957,480.90 and 345,607.16

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Solution

The fourth proportional to 1,305,137.76, 1,957,480.90 and 345,607.16 is: 518,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,137.76 : 1,957,480.90 = 345,607.16 : x
  2. Step 2: Convert to fraction form
    1,305,137.76/1,957,480.90 = 345,607.16/x
  3. Step 3: Cross multiply
    1,305,137.76x = 1,957,480.90 × 345,607.16
  4. Step 4: Simplify right side
    1,305,137.76x = 676,519,414,603.24
  5. Step 5: Solve for x
    x = 676,519,414,603.24/1,305,137.76
  6. Step 6: Final answer
    x = 518,350.96

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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.