Home / 1,276,143.08-1,761,156.06-703,183.16

Finding the Fourth Proportional to 1,276,143.08, 1,761,156.06 and 703,183.16

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Solution

The fourth proportional to 1,276,143.08, 1,761,156.06 and 703,183.16 is: 970,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,143.08 : 1,761,156.06 = 703,183.16 : x
  2. Step 2: Convert to fraction form
    1,276,143.08/1,761,156.06 = 703,183.16/x
  3. Step 3: Cross multiply
    1,276,143.08x = 1,761,156.06 × 703,183.16
  4. Step 4: Simplify right side
    1,276,143.08x = 1,238,415,283,523.95
  5. Step 5: Solve for x
    x = 1,238,415,283,523.95/1,276,143.08
  6. Step 6: Final answer
    x = 970,436.08

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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.