Home / 1,110,702.80-1,666,054.20-636,998.60

Finding the Fourth Proportional to 1,110,702.80, 1,666,054.20 and 636,998.60

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Solution

The fourth proportional to 1,110,702.80, 1,666,054.20 and 636,998.60 is: 955,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,702.80 : 1,666,054.20 = 636,998.60 : x
  2. Step 2: Convert to fraction form
    1,110,702.80/1,666,054.20 = 636,998.60/x
  3. Step 3: Cross multiply
    1,110,702.80x = 1,666,054.20 × 636,998.60
  4. Step 4: Simplify right side
    1,110,702.80x = 1,061,274,192,924.12
  5. Step 5: Solve for x
    x = 1,061,274,192,924.12/1,110,702.80
  6. Step 6: Final answer
    x = 955,497.90

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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.