Home / 1,426,810.62-1,968,998.10-782,217

Finding the Fourth Proportional to 1,426,810.62, 1,968,998.10 and 782,217

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Solution

The fourth proportional to 1,426,810.62, 1,968,998.10 and 782,217 is: 1,079,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,810.62 : 1,968,998.10 = 782,217 : x
  2. Step 2: Convert to fraction form
    1,426,810.62/1,968,998.10 = 782,217/x
  3. Step 3: Cross multiply
    1,426,810.62x = 1,968,998.10 × 782,217
  4. Step 4: Simplify right side
    1,426,810.62x = 1,540,183,786,787.70
  5. Step 5: Solve for x
    x = 1,540,183,786,787.70/1,426,810.62
  6. Step 6: Final answer
    x = 1,079,459.16

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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.