Home / 1,426,810.61-1,968,998.13-782,216.97

Finding the Fourth Proportional to 1,426,810.61, 1,968,998.13 and 782,216.97

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Solution

The fourth proportional to 1,426,810.61, 1,968,998.13 and 782,216.97 is: 1,079,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,810.61 : 1,968,998.13 = 782,216.97 : x
  2. Step 2: Convert to fraction form
    1,426,810.61/1,968,998.13 = 782,216.97/x
  3. Step 3: Cross multiply
    1,426,810.61x = 1,968,998.13 × 782,216.97
  4. Step 4: Simplify right side
    1,426,810.61x = 1,540,183,751,184.27
  5. Step 5: Solve for x
    x = 1,540,183,751,184.27/1,426,810.61
  6. Step 6: Final answer
    x = 1,079,459.14

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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.