Home / 1,141,143.21-1,708,997.94-660,357.48

Finding the Fourth Proportional to 1,141,143.21, 1,708,997.94 and 660,357.48

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Solution

The fourth proportional to 1,141,143.21, 1,708,997.94 and 660,357.48 is: 988,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,143.21 : 1,708,997.94 = 660,357.48 : x
  2. Step 2: Convert to fraction form
    1,141,143.21/1,708,997.94 = 660,357.48/x
  3. Step 3: Cross multiply
    1,141,143.21x = 1,708,997.94 × 660,357.48
  4. Step 4: Simplify right side
    1,141,143.21x = 1,128,549,572,983.59
  5. Step 5: Solve for x
    x = 1,128,549,572,983.59/1,141,143.21
  6. Step 6: Final answer
    x = 988,964.02

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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.