Home / 1,276,788.42-1,761,980.34-703,849.14

Finding the Fourth Proportional to 1,276,788.42, 1,761,980.34 and 703,849.14

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Solution

The fourth proportional to 1,276,788.42, 1,761,980.34 and 703,849.14 is: 971,318.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,788.42 : 1,761,980.34 = 703,849.14 : x
  2. Step 2: Convert to fraction form
    1,276,788.42/1,761,980.34 = 703,849.14/x
  3. Step 3: Cross multiply
    1,276,788.42x = 1,761,980.34 × 703,849.14
  4. Step 4: Simplify right side
    1,276,788.42x = 1,240,168,347,005.91
  5. Step 5: Solve for x
    x = 1,240,168,347,005.91/1,276,788.42
  6. Step 6: Final answer
    x = 971,318.61

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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.