Home / 1,276,262.56-1,761,254.16-703,323.28

Finding the Fourth Proportional to 1,276,262.56, 1,761,254.16 and 703,323.28

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Solution

The fourth proportional to 1,276,262.56, 1,761,254.16 and 703,323.28 is: 970,592.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,262.56 : 1,761,254.16 = 703,323.28 : x
  2. Step 2: Convert to fraction form
    1,276,262.56/1,761,254.16 = 703,323.28/x
  3. Step 3: Cross multiply
    1,276,262.56x = 1,761,254.16 × 703,323.28
  4. Step 4: Simplify right side
    1,276,262.56x = 1,238,731,052,724.84
  5. Step 5: Solve for x
    x = 1,238,731,052,724.84/1,276,262.56
  6. Step 6: Final answer
    x = 970,592.64

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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.