Home / 1,642,960.77-2,267,204.90-917,664.09

Finding the Fourth Proportional to 1,642,960.77, 2,267,204.90 and 917,664.09

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Solution

The fourth proportional to 1,642,960.77, 2,267,204.90 and 917,664.09 is: 1,266,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,960.77 : 2,267,204.90 = 917,664.09 : x
  2. Step 2: Convert to fraction form
    1,642,960.77/2,267,204.90 = 917,664.09/x
  3. Step 3: Cross multiply
    1,642,960.77x = 2,267,204.90 × 917,664.09
  4. Step 4: Simplify right side
    1,642,960.77x = 2,080,532,516,813.72
  5. Step 5: Solve for x
    x = 2,080,532,516,813.72/1,642,960.77
  6. Step 6: Final answer
    x = 1,266,331.22

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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.