Home / 1,424,990.88-2,132,437.08-1,256,839.74

Finding the Fourth Proportional to 1,424,990.88, 2,132,437.08 and 1,256,839.74

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Solution

The fourth proportional to 1,424,990.88, 2,132,437.08 and 1,256,839.74 is: 1,880,806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,990.88 : 2,132,437.08 = 1,256,839.74 : x
  2. Step 2: Convert to fraction form
    1,424,990.88/2,132,437.08 = 1,256,839.74/x
  3. Step 3: Cross multiply
    1,424,990.88x = 2,132,437.08 × 1,256,839.74
  4. Step 4: Simplify right side
    1,424,990.88x = 2,680,131,669,906.71
  5. Step 5: Solve for x
    x = 2,680,131,669,906.71/1,424,990.88
  6. Step 6: Final answer
    x = 1,880,806.19

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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.