Home / 1,447,078.92-2,170,719.90-436,209.24

Finding the Fourth Proportional to 1,447,078.92, 2,170,719.90 and 436,209.24

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Solution

The fourth proportional to 1,447,078.92, 2,170,719.90 and 436,209.24 is: 654,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,078.92 : 2,170,719.90 = 436,209.24 : x
  2. Step 2: Convert to fraction form
    1,447,078.92/2,170,719.90 = 436,209.24/x
  3. Step 3: Cross multiply
    1,447,078.92x = 2,170,719.90 × 436,209.24
  4. Step 4: Simplify right side
    1,447,078.92x = 946,888,077,831.88
  5. Step 5: Solve for x
    x = 946,888,077,831.88/1,447,078.92
  6. Step 6: Final answer
    x = 654,344.46

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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.