Home / 1,642,963.77-2,267,209.04-917,667.09

Finding the Fourth Proportional to 1,642,963.77, 2,267,209.04 and 917,667.09

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Solution

The fourth proportional to 1,642,963.77, 2,267,209.04 and 917,667.09 is: 1,266,335.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,963.77 : 2,267,209.04 = 917,667.09 : x
  2. Step 2: Convert to fraction form
    1,642,963.77/2,267,209.04 = 917,667.09/x
  3. Step 3: Cross multiply
    1,642,963.77x = 2,267,209.04 × 917,667.09
  4. Step 4: Simplify right side
    1,642,963.77x = 2,080,543,117,570.16
  5. Step 5: Solve for x
    x = 2,080,543,117,570.16/1,642,963.77
  6. Step 6: Final answer
    x = 1,266,335.36

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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.