Home / 1,276,628.04-1,761,724.89-703,721.52

Finding the Fourth Proportional to 1,276,628.04, 1,761,724.89 and 703,721.52

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Solution

The fourth proportional to 1,276,628.04, 1,761,724.89 and 703,721.52 is: 971,123.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,628.04 : 1,761,724.89 = 703,721.52 : x
  2. Step 2: Convert to fraction form
    1,276,628.04/1,761,724.89 = 703,721.52/x
  3. Step 3: Cross multiply
    1,276,628.04x = 1,761,724.89 × 703,721.52
  4. Step 4: Simplify right side
    1,276,628.04x = 1,239,763,717,412.63
  5. Step 5: Solve for x
    x = 1,239,763,717,412.63/1,276,628.04
  6. Step 6: Final answer
    x = 971,123.68

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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.