Home / 1,276,385.36-1,761,411.74-703,425.51

Finding the Fourth Proportional to 1,276,385.36, 1,761,411.74 and 703,425.51

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Solution

The fourth proportional to 1,276,385.36, 1,761,411.74 and 703,425.51 is: 970,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,385.36 : 1,761,411.74 = 703,425.51 : x
  2. Step 2: Convert to fraction form
    1,276,385.36/1,761,411.74 = 703,425.51/x
  3. Step 3: Cross multiply
    1,276,385.36x = 1,761,411.74 × 703,425.51
  4. Step 4: Simplify right side
    1,276,385.36x = 1,239,021,948,012.36
  5. Step 5: Solve for x
    x = 1,239,021,948,012.36/1,276,385.36
  6. Step 6: Final answer
    x = 970,727.17

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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.