Home / 1,242,702.74-1,864,058.52-378,146

Finding the Fourth Proportional to 1,242,702.74, 1,864,058.52 and 378,146

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Solution

The fourth proportional to 1,242,702.74, 1,864,058.52 and 378,146 is: 567,220.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,702.74 : 1,864,058.52 = 378,146 : x
  2. Step 2: Convert to fraction form
    1,242,702.74/1,864,058.52 = 378,146/x
  3. Step 3: Cross multiply
    1,242,702.74x = 1,864,058.52 × 378,146
  4. Step 4: Simplify right side
    1,242,702.74x = 704,886,273,103.92
  5. Step 5: Solve for x
    x = 704,886,273,103.92/1,242,702.74
  6. Step 6: Final answer
    x = 567,220.34

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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.