Home / 1,383,971.85-2,076,020.24-424,357.36

Finding the Fourth Proportional to 1,383,971.85, 2,076,020.24 and 424,357.36

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Solution

The fourth proportional to 1,383,971.85, 2,076,020.24 and 424,357.36 is: 636,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,971.85 : 2,076,020.24 = 424,357.36 : x
  2. Step 2: Convert to fraction form
    1,383,971.85/2,076,020.24 = 424,357.36/x
  3. Step 3: Cross multiply
    1,383,971.85x = 2,076,020.24 × 424,357.36
  4. Step 4: Simplify right side
    1,383,971.85x = 880,974,468,352.97
  5. Step 5: Solve for x
    x = 880,974,468,352.97/1,383,971.85
  6. Step 6: Final answer
    x = 636,555.19

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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.