Home / 1,372,320.64-2,058,679.44-519,160.96

Finding the Fourth Proportional to 1,372,320.64, 2,058,679.44 and 519,160.96

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Solution

The fourth proportional to 1,372,320.64, 2,058,679.44 and 519,160.96 is: 778,816.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,320.64 : 2,058,679.44 = 519,160.96 : x
  2. Step 2: Convert to fraction form
    1,372,320.64/2,058,679.44 = 519,160.96/x
  3. Step 3: Cross multiply
    1,372,320.64x = 2,058,679.44 × 519,160.96
  4. Step 4: Simplify right side
    1,372,320.64x = 1,068,785,994,402.66
  5. Step 5: Solve for x
    x = 1,068,785,994,402.66/1,372,320.64
  6. Step 6: Final answer
    x = 778,816.53

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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.