Home / 1,225,313.58-1,838,219.49-426,657.39

Finding the Fourth Proportional to 1,225,313.58, 1,838,219.49 and 426,657.39

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Solution

The fourth proportional to 1,225,313.58, 1,838,219.49 and 426,657.39 is: 640,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,313.58 : 1,838,219.49 = 426,657.39 : x
  2. Step 2: Convert to fraction form
    1,225,313.58/1,838,219.49 = 426,657.39/x
  3. Step 3: Cross multiply
    1,225,313.58x = 1,838,219.49 × 426,657.39
  4. Step 4: Simplify right side
    1,225,313.58x = 784,289,929,850.53
  5. Step 5: Solve for x
    x = 784,289,929,850.53/1,225,313.58
  6. Step 6: Final answer
    x = 640,072.83

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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.