Home / 1,418,763.22-2,128,085.29-660,343.82

Finding the Fourth Proportional to 1,418,763.22, 2,128,085.29 and 660,343.82

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Solution

The fourth proportional to 1,418,763.22, 2,128,085.29 and 660,343.82 is: 990,488.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,763.22 : 2,128,085.29 = 660,343.82 : x
  2. Step 2: Convert to fraction form
    1,418,763.22/2,128,085.29 = 660,343.82/x
  3. Step 3: Cross multiply
    1,418,763.22x = 2,128,085.29 × 660,343.82
  4. Step 4: Simplify right side
    1,418,763.22x = 1,405,267,969,684.41
  5. Step 5: Solve for x
    x = 1,405,267,969,684.41/1,418,763.22
  6. Step 6: Final answer
    x = 990,488.02

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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.