Home / 1,276,705.32-1,761,852.90-703,755.06

Finding the Fourth Proportional to 1,276,705.32, 1,761,852.90 and 703,755.06

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Solution

The fourth proportional to 1,276,705.32, 1,761,852.90 and 703,755.06 is: 971,181.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,705.32 : 1,761,852.90 = 703,755.06 : x
  2. Step 2: Convert to fraction form
    1,276,705.32/1,761,852.90 = 703,755.06/x
  3. Step 3: Cross multiply
    1,276,705.32x = 1,761,852.90 × 703,755.06
  4. Step 4: Simplify right side
    1,276,705.32x = 1,239,912,893,350.67
  5. Step 5: Solve for x
    x = 1,239,912,893,350.67/1,276,705.32
  6. Step 6: Final answer
    x = 971,181.74

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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.