Home / 1,260,129.76-1,888,056.24-760,444

Finding the Fourth Proportional to 1,260,129.76, 1,888,056.24 and 760,444

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Solution

The fourth proportional to 1,260,129.76, 1,888,056.24 and 760,444 is: 1,139,375.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,129.76 : 1,888,056.24 = 760,444 : x
  2. Step 2: Convert to fraction form
    1,260,129.76/1,888,056.24 = 760,444/x
  3. Step 3: Cross multiply
    1,260,129.76x = 1,888,056.24 × 760,444
  4. Step 4: Simplify right side
    1,260,129.76x = 1,435,761,039,370.56
  5. Step 5: Solve for x
    x = 1,435,761,039,370.56/1,260,129.76
  6. Step 6: Final answer
    x = 1,139,375.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.