Home / 1,038,736.80-1,557,164.79-407,481.12

Finding the Fourth Proportional to 1,038,736.80, 1,557,164.79 and 407,481.12

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Solution

The fourth proportional to 1,038,736.80, 1,557,164.79 and 407,481.12 is: 610,852.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,736.80 : 1,557,164.79 = 407,481.12 : x
  2. Step 2: Convert to fraction form
    1,038,736.80/1,557,164.79 = 407,481.12/x
  3. Step 3: Cross multiply
    1,038,736.80x = 1,557,164.79 × 407,481.12
  4. Step 4: Simplify right side
    1,038,736.80x = 634,515,252,653.77
  5. Step 5: Solve for x
    x = 634,515,252,653.77/1,038,736.80
  6. Step 6: Final answer
    x = 610,852.77

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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.