Home / 1,679,966.73-2,318,356.42-916,020.29

Finding the Fourth Proportional to 1,679,966.73, 2,318,356.42 and 916,020.29

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Solution

The fourth proportional to 1,679,966.73, 2,318,356.42 and 916,020.29 is: 1,264,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,966.73 : 2,318,356.42 = 916,020.29 : x
  2. Step 2: Convert to fraction form
    1,679,966.73/2,318,356.42 = 916,020.29/x
  3. Step 3: Cross multiply
    1,679,966.73x = 2,318,356.42 × 916,020.29
  4. Step 4: Simplify right side
    1,679,966.73x = 2,123,661,523,677.60
  5. Step 5: Solve for x
    x = 2,123,661,523,677.60/1,679,966.73
  6. Step 6: Final answer
    x = 1,264,109.27

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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.