Home / 1,276,144.90-1,761,157.29-703,184.38

Finding the Fourth Proportional to 1,276,144.90, 1,761,157.29 and 703,184.38

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Solution

The fourth proportional to 1,276,144.90, 1,761,157.29 and 703,184.38 is: 970,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,144.90 : 1,761,157.29 = 703,184.38 : x
  2. Step 2: Convert to fraction form
    1,276,144.90/1,761,157.29 = 703,184.38/x
  3. Step 3: Cross multiply
    1,276,144.90x = 1,761,157.29 × 703,184.38
  4. Step 4: Simplify right side
    1,276,144.90x = 1,238,418,297,051.13
  5. Step 5: Solve for x
    x = 1,238,418,297,051.13/1,276,144.90
  6. Step 6: Final answer
    x = 970,437.05

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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.