Home / 1,619,260.77-2,429,731.74-660,419.82

Finding the Fourth Proportional to 1,619,260.77, 2,429,731.74 and 660,419.82

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Solution

The fourth proportional to 1,619,260.77, 2,429,731.74 and 660,419.82 is: 990,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,260.77 : 2,429,731.74 = 660,419.82 : x
  2. Step 2: Convert to fraction form
    1,619,260.77/2,429,731.74 = 660,419.82/x
  3. Step 3: Cross multiply
    1,619,260.77x = 2,429,731.74 × 660,419.82
  4. Step 4: Simplify right side
    1,619,260.77x = 1,604,642,998,379.09
  5. Step 5: Solve for x
    x = 1,604,642,998,379.09/1,619,260.77
  6. Step 6: Final answer
    x = 990,972.56

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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.