Home / 1,242,700.74-1,864,055.52-378,144

Finding the Fourth Proportional to 1,242,700.74, 1,864,055.52 and 378,144

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Solution

The fourth proportional to 1,242,700.74, 1,864,055.52 and 378,144 is: 567,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,700.74 : 1,864,055.52 = 378,144 : x
  2. Step 2: Convert to fraction form
    1,242,700.74/1,864,055.52 = 378,144/x
  3. Step 3: Cross multiply
    1,242,700.74x = 1,864,055.52 × 378,144
  4. Step 4: Simplify right side
    1,242,700.74x = 704,881,410,554.88
  5. Step 5: Solve for x
    x = 704,881,410,554.88/1,242,700.74
  6. Step 6: Final answer
    x = 567,217.34

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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.