Home / 1,721,005.28-2,374,562.13-1,076,102.72

Finding the Fourth Proportional to 1,721,005.28, 2,374,562.13 and 1,076,102.72

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Solution

The fourth proportional to 1,721,005.28, 2,374,562.13 and 1,076,102.72 is: 1,484,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,005.28 : 2,374,562.13 = 1,076,102.72 : x
  2. Step 2: Convert to fraction form
    1,721,005.28/2,374,562.13 = 1,076,102.72/x
  3. Step 3: Cross multiply
    1,721,005.28x = 2,374,562.13 × 1,076,102.72
  4. Step 4: Simplify right side
    1,721,005.28x = 2,555,272,765,951.48
  5. Step 5: Solve for x
    x = 2,555,272,765,951.48/1,721,005.28
  6. Step 6: Final answer
    x = 1,484,755.91

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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.