Home / 1,118,676.39-1,543,765.54-609,378.77

Finding the Fourth Proportional to 1,118,676.39, 1,543,765.54 and 609,378.77

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Solution

The fourth proportional to 1,118,676.39, 1,543,765.54 and 609,378.77 is: 840,938.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,676.39 : 1,543,765.54 = 609,378.77 : x
  2. Step 2: Convert to fraction form
    1,118,676.39/1,543,765.54 = 609,378.77/x
  3. Step 3: Cross multiply
    1,118,676.39x = 1,543,765.54 × 609,378.77
  4. Step 4: Simplify right side
    1,118,676.39x = 940,737,945,933.59
  5. Step 5: Solve for x
    x = 940,737,945,933.59/1,118,676.39
  6. Step 6: Final answer
    x = 840,938.41

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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.