Home / 1,400,217.28-2,100,693.16-440,632.96

Finding the Fourth Proportional to 1,400,217.28, 2,100,693.16 and 440,632.96

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Solution

The fourth proportional to 1,400,217.28, 2,100,693.16 and 440,632.96 is: 661,065.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,217.28 : 2,100,693.16 = 440,632.96 : x
  2. Step 2: Convert to fraction form
    1,400,217.28/2,100,693.16 = 440,632.96/x
  3. Step 3: Cross multiply
    1,400,217.28x = 2,100,693.16 × 440,632.96
  4. Step 4: Simplify right side
    1,400,217.28x = 925,634,645,142.55
  5. Step 5: Solve for x
    x = 925,634,645,142.55/1,400,217.28
  6. Step 6: Final answer
    x = 661,065.01

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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.