Home / 1,285,054.32-1,773,385.38-712,104.06

Finding the Fourth Proportional to 1,285,054.32, 1,773,385.38 and 712,104.06

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Solution

The fourth proportional to 1,285,054.32, 1,773,385.38 and 712,104.06 is: 982,709.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,054.32 : 1,773,385.38 = 712,104.06 : x
  2. Step 2: Convert to fraction form
    1,285,054.32/1,773,385.38 = 712,104.06/x
  3. Step 3: Cross multiply
    1,285,054.32x = 1,773,385.38 × 712,104.06
  4. Step 4: Simplify right side
    1,285,054.32x = 1,262,834,929,042.64
  5. Step 5: Solve for x
    x = 1,262,834,929,042.64/1,285,054.32
  6. Step 6: Final answer
    x = 982,709.38

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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.