Home / 1,143,380.16-1,713,860.16-384,499.20

Finding the Fourth Proportional to 1,143,380.16, 1,713,860.16 and 384,499.20

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Solution

The fourth proportional to 1,143,380.16, 1,713,860.16 and 384,499.20 is: 576,341.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,380.16 : 1,713,860.16 = 384,499.20 : x
  2. Step 2: Convert to fraction form
    1,143,380.16/1,713,860.16 = 384,499.20/x
  3. Step 3: Cross multiply
    1,143,380.16x = 1,713,860.16 × 384,499.20
  4. Step 4: Simplify right side
    1,143,380.16x = 658,977,860,431.87
  5. Step 5: Solve for x
    x = 658,977,860,431.87/1,143,380.16
  6. Step 6: Final answer
    x = 576,341.87

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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.