Home / 1,609,721.60-2,414,582.40-427,769.60

Finding the Fourth Proportional to 1,609,721.60, 2,414,582.40 and 427,769.60

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Solution

The fourth proportional to 1,609,721.60, 2,414,582.40 and 427,769.60 is: 641,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,721.60 : 2,414,582.40 = 427,769.60 : x
  2. Step 2: Convert to fraction form
    1,609,721.60/2,414,582.40 = 427,769.60/x
  3. Step 3: Cross multiply
    1,609,721.60x = 2,414,582.40 × 427,769.60
  4. Step 4: Simplify right side
    1,609,721.60x = 1,032,884,947,415.04
  5. Step 5: Solve for x
    x = 1,032,884,947,415.04/1,609,721.60
  6. Step 6: Final answer
    x = 641,654.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.