Home / 1,154,419.89-1,593,101.60-645,122.26

Finding the Fourth Proportional to 1,154,419.89, 1,593,101.60 and 645,122.26

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Solution

The fourth proportional to 1,154,419.89, 1,593,101.60 and 645,122.26 is: 890,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,419.89 : 1,593,101.60 = 645,122.26 : x
  2. Step 2: Convert to fraction form
    1,154,419.89/1,593,101.60 = 645,122.26/x
  3. Step 3: Cross multiply
    1,154,419.89x = 1,593,101.60 × 645,122.26
  4. Step 4: Simplify right side
    1,154,419.89x = 1,027,745,304,601.62
  5. Step 5: Solve for x
    x = 1,027,745,304,601.62/1,154,419.89
  6. Step 6: Final answer
    x = 890,269.93

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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.