Home / 1,372,278.79-1,893,755.85-760,441.77

Finding the Fourth Proportional to 1,372,278.79, 1,893,755.85 and 760,441.77

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Solution

The fourth proportional to 1,372,278.79, 1,893,755.85 and 760,441.77 is: 1,049,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,278.79 : 1,893,755.85 = 760,441.77 : x
  2. Step 2: Convert to fraction form
    1,372,278.79/1,893,755.85 = 760,441.77/x
  3. Step 3: Cross multiply
    1,372,278.79x = 1,893,755.85 × 760,441.77
  4. Step 4: Simplify right side
    1,372,278.79x = 1,440,091,060,475.10
  5. Step 5: Solve for x
    x = 1,440,091,060,475.10/1,372,278.79
  6. Step 6: Final answer
    x = 1,049,415.81

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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.