Home / 1,276,236.80-1,914,009.60-377,676.80

Finding the Fourth Proportional to 1,276,236.80, 1,914,009.60 and 377,676.80

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Solution

The fourth proportional to 1,276,236.80, 1,914,009.60 and 377,676.80 is: 566,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,236.80 : 1,914,009.60 = 377,676.80 : x
  2. Step 2: Convert to fraction form
    1,276,236.80/1,914,009.60 = 377,676.80/x
  3. Step 3: Cross multiply
    1,276,236.80x = 1,914,009.60 × 377,676.80
  4. Step 4: Simplify right side
    1,276,236.80x = 722,877,020,897.28
  5. Step 5: Solve for x
    x = 722,877,020,897.28/1,276,236.80
  6. Step 6: Final answer
    x = 566,412.93

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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.