Home / 1,076,983.40-1,615,551.90-329,028.20

Finding the Fourth Proportional to 1,076,983.40, 1,615,551.90 and 329,028.20

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Solution

The fourth proportional to 1,076,983.40, 1,615,551.90 and 329,028.20 is: 493,565.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,983.40 : 1,615,551.90 = 329,028.20 : x
  2. Step 2: Convert to fraction form
    1,076,983.40/1,615,551.90 = 329,028.20/x
  3. Step 3: Cross multiply
    1,076,983.40x = 1,615,551.90 × 329,028.20
  4. Step 4: Simplify right side
    1,076,983.40x = 531,562,133,663.58
  5. Step 5: Solve for x
    x = 531,562,133,663.58/1,076,983.40
  6. Step 6: Final answer
    x = 493,565.76

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Double scale
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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.