Home / 1,289,632.28-1,777,816.86-901,241.86

Finding the Fourth Proportional to 1,289,632.28, 1,777,816.86 and 901,241.86

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Solution

The fourth proportional to 1,289,632.28, 1,777,816.86 and 901,241.86 is: 1,242,402.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,632.28 : 1,777,816.86 = 901,241.86 : x
  2. Step 2: Convert to fraction form
    1,289,632.28/1,777,816.86 = 901,241.86/x
  3. Step 3: Cross multiply
    1,289,632.28x = 1,777,816.86 × 901,241.86
  4. Step 4: Simplify right side
    1,289,632.28x = 1,602,242,973,645.76
  5. Step 5: Solve for x
    x = 1,602,242,973,645.76/1,289,632.28
  6. Step 6: Final answer
    x = 1,242,402.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.