Home / 1,426,834.46-1,968,979.29-782,240.51

Finding the Fourth Proportional to 1,426,834.46, 1,968,979.29 and 782,240.51

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Solution

The fourth proportional to 1,426,834.46, 1,968,979.29 and 782,240.51 is: 1,079,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,834.46 : 1,968,979.29 = 782,240.51 : x
  2. Step 2: Convert to fraction form
    1,426,834.46/1,968,979.29 = 782,240.51/x
  3. Step 3: Cross multiply
    1,426,834.46x = 1,968,979.29 × 782,240.51
  4. Step 4: Simplify right side
    1,426,834.46x = 1,540,215,354,144.14
  5. Step 5: Solve for x
    x = 1,540,215,354,144.14/1,426,834.46
  6. Step 6: Final answer
    x = 1,079,463.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.