Home / 1,436,814.16-2,155,143.12-439,542.16

Finding the Fourth Proportional to 1,436,814.16, 2,155,143.12 and 439,542.16

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Solution

The fourth proportional to 1,436,814.16, 2,155,143.12 and 439,542.16 is: 659,289.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,814.16 : 2,155,143.12 = 439,542.16 : x
  2. Step 2: Convert to fraction form
    1,436,814.16/2,155,143.12 = 439,542.16/x
  3. Step 3: Cross multiply
    1,436,814.16x = 2,155,143.12 × 439,542.16
  4. Step 4: Simplify right side
    1,436,814.16x = 947,276,262,073.94
  5. Step 5: Solve for x
    x = 947,276,262,073.94/1,436,814.16
  6. Step 6: Final answer
    x = 659,289.34

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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.