Home / 1,323,511.68-1,984,299.64-424,441.64

Finding the Fourth Proportional to 1,323,511.68, 1,984,299.64 and 424,441.64

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Solution

The fourth proportional to 1,323,511.68, 1,984,299.64 and 424,441.64 is: 636,352.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,511.68 : 1,984,299.64 = 424,441.64 : x
  2. Step 2: Convert to fraction form
    1,323,511.68/1,984,299.64 = 424,441.64/x
  3. Step 3: Cross multiply
    1,323,511.68x = 1,984,299.64 × 424,441.64
  4. Step 4: Simplify right side
    1,323,511.68x = 842,219,393,453.01
  5. Step 5: Solve for x
    x = 842,219,393,453.01/1,323,511.68
  6. Step 6: Final answer
    x = 636,352.07

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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.