Home / 1,076,644.80-1,615,203.72-318,427.17

Finding the Fourth Proportional to 1,076,644.80, 1,615,203.72 and 318,427.17

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Solution

The fourth proportional to 1,076,644.80, 1,615,203.72 and 318,427.17 is: 477,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,644.80 : 1,615,203.72 = 318,427.17 : x
  2. Step 2: Convert to fraction form
    1,076,644.80/1,615,203.72 = 318,427.17/x
  3. Step 3: Cross multiply
    1,076,644.80x = 1,615,203.72 × 318,427.17
  4. Step 4: Simplify right side
    1,076,644.80x = 514,324,743,476.06
  5. Step 5: Solve for x
    x = 514,324,743,476.06/1,076,644.80
  6. Step 6: Final answer
    x = 477,710.70

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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.