Home / 1,513,661.28-2,270,771.76-434,128.64

Finding the Fourth Proportional to 1,513,661.28, 2,270,771.76 and 434,128.64

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Solution

The fourth proportional to 1,513,661.28, 2,270,771.76 and 434,128.64 is: 651,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,661.28 : 2,270,771.76 = 434,128.64 : x
  2. Step 2: Convert to fraction form
    1,513,661.28/2,270,771.76 = 434,128.64/x
  3. Step 3: Cross multiply
    1,513,661.28x = 2,270,771.76 × 434,128.64
  4. Step 4: Simplify right side
    1,513,661.28x = 985,807,055,919.21
  5. Step 5: Solve for x
    x = 985,807,055,919.21/1,513,661.28
  6. Step 6: Final answer
    x = 651,273.22

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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.