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Finding the Fourth Proportional to 1,604,209, 2,213,808.42 and 888,817

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Solution

The fourth proportional to 1,604,209, 2,213,808.42 and 888,817 is: 1,226,567.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,209 : 2,213,808.42 = 888,817 : x
  2. Step 2: Convert to fraction form
    1,604,209/2,213,808.42 = 888,817/x
  3. Step 3: Cross multiply
    1,604,209x = 2,213,808.42 × 888,817
  4. Step 4: Simplify right side
    1,604,209x = 1,967,670,558,439.14
  5. Step 5: Solve for x
    x = 1,967,670,558,439.14/1,604,209
  6. Step 6: Final answer
    x = 1,226,567.46

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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.