Home / 1,557,780.57-2,336,857.44-478,151.73

Finding the Fourth Proportional to 1,557,780.57, 2,336,857.44 and 478,151.73

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Solution

The fourth proportional to 1,557,780.57, 2,336,857.44 and 478,151.73 is: 717,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,780.57 : 2,336,857.44 = 478,151.73 : x
  2. Step 2: Convert to fraction form
    1,557,780.57/2,336,857.44 = 478,151.73/x
  3. Step 3: Cross multiply
    1,557,780.57x = 2,336,857.44 × 478,151.73
  4. Step 4: Simplify right side
    1,557,780.57x = 1,117,372,427,699.37
  5. Step 5: Solve for x
    x = 1,117,372,427,699.37/1,557,780.57
  6. Step 6: Final answer
    x = 717,284.87

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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.