Home / 1,381,756.86-2,072,709.54-435,201.66

Finding the Fourth Proportional to 1,381,756.86, 2,072,709.54 and 435,201.66

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Solution

The fourth proportional to 1,381,756.86, 2,072,709.54 and 435,201.66 is: 652,825.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,756.86 : 2,072,709.54 = 435,201.66 : x
  2. Step 2: Convert to fraction form
    1,381,756.86/2,072,709.54 = 435,201.66/x
  3. Step 3: Cross multiply
    1,381,756.86x = 2,072,709.54 × 435,201.66
  4. Step 4: Simplify right side
    1,381,756.86x = 902,046,632,505.84
  5. Step 5: Solve for x
    x = 902,046,632,505.84/1,381,756.86
  6. Step 6: Final answer
    x = 652,825.88

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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.