Home / 1,095,471.76-1,511,491.98-636,313.54

Finding the Fourth Proportional to 1,095,471.76, 1,511,491.98 and 636,313.54

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Solution

The fourth proportional to 1,095,471.76, 1,511,491.98 and 636,313.54 is: 877,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,471.76 : 1,511,491.98 = 636,313.54 : x
  2. Step 2: Convert to fraction form
    1,095,471.76/1,511,491.98 = 636,313.54/x
  3. Step 3: Cross multiply
    1,095,471.76x = 1,511,491.98 × 636,313.54
  4. Step 4: Simplify right side
    1,095,471.76x = 961,782,812,475.41
  5. Step 5: Solve for x
    x = 961,782,812,475.41/1,095,471.76
  6. Step 6: Final answer
    x = 877,962.21

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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.