Home / 1,143,146.76-1,714,720.53-423,735.84

Finding the Fourth Proportional to 1,143,146.76, 1,714,720.53 and 423,735.84

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Solution

The fourth proportional to 1,143,146.76, 1,714,720.53 and 423,735.84 is: 635,603.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,146.76 : 1,714,720.53 = 423,735.84 : x
  2. Step 2: Convert to fraction form
    1,143,146.76/1,714,720.53 = 423,735.84/x
  3. Step 3: Cross multiply
    1,143,146.76x = 1,714,720.53 × 423,735.84
  4. Step 4: Simplify right side
    1,143,146.76x = 726,588,544,144.80
  5. Step 5: Solve for x
    x = 726,588,544,144.80/1,143,146.76
  6. Step 6: Final answer
    x = 635,603.90

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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.