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Finding the Fourth Proportional to 1,604,205, 2,213,802.90 and 888,813

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Solution

The fourth proportional to 1,604,205, 2,213,802.90 and 888,813 is: 1,226,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,205 : 2,213,802.90 = 888,813 : x
  2. Step 2: Convert to fraction form
    1,604,205/2,213,802.90 = 888,813/x
  3. Step 3: Cross multiply
    1,604,205x = 2,213,802.90 × 888,813
  4. Step 4: Simplify right side
    1,604,205x = 1,967,656,796,957.70
  5. Step 5: Solve for x
    x = 1,967,656,796,957.70/1,604,205
  6. Step 6: Final answer
    x = 1,226,561.94

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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.