Home / 1,276,373.11-1,914,787.37-423,495.94

Finding the Fourth Proportional to 1,276,373.11, 1,914,787.37 and 423,495.94

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Solution

The fourth proportional to 1,276,373.11, 1,914,787.37 and 423,495.94 is: 635,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,373.11 : 1,914,787.37 = 423,495.94 : x
  2. Step 2: Convert to fraction form
    1,276,373.11/1,914,787.37 = 423,495.94/x
  3. Step 3: Cross multiply
    1,276,373.11x = 1,914,787.37 × 423,495.94
  4. Step 4: Simplify right side
    1,276,373.11x = 810,904,676,744.70
  5. Step 5: Solve for x
    x = 810,904,676,744.70/1,276,373.11
  6. Step 6: Final answer
    x = 635,319.46

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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.