Home / 1,172,966.04-1,618,692.12-636,422.04

Finding the Fourth Proportional to 1,172,966.04, 1,618,692.12 and 636,422.04

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Solution

The fourth proportional to 1,172,966.04, 1,618,692.12 and 636,422.04 is: 878,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,966.04 : 1,618,692.12 = 636,422.04 : x
  2. Step 2: Convert to fraction form
    1,172,966.04/1,618,692.12 = 636,422.04/x
  3. Step 3: Cross multiply
    1,172,966.04x = 1,618,692.12 × 636,422.04
  4. Step 4: Simplify right side
    1,172,966.04x = 1,030,171,341,142.33
  5. Step 5: Solve for x
    x = 1,030,171,341,142.33/1,172,966.04
  6. Step 6: Final answer
    x = 878,261.86

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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.