Home / 1,276,370.12-1,761,390.72-703,410.29

Finding the Fourth Proportional to 1,276,370.12, 1,761,390.72 and 703,410.29

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Solution

The fourth proportional to 1,276,370.12, 1,761,390.72 and 703,410.29 is: 970,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,370.12 : 1,761,390.72 = 703,410.29 : x
  2. Step 2: Convert to fraction form
    1,276,370.12/1,761,390.72 = 703,410.29/x
  3. Step 3: Cross multiply
    1,276,370.12x = 1,761,390.72 × 703,410.29
  4. Step 4: Simplify right side
    1,276,370.12x = 1,238,980,348,351.56
  5. Step 5: Solve for x
    x = 1,238,980,348,351.56/1,276,370.12
  6. Step 6: Final answer
    x = 970,706.17

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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.