Home / 1,078,009.60-1,616,787.60-545,029.60

Finding the Fourth Proportional to 1,078,009.60, 1,616,787.60 and 545,029.60

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Solution

The fourth proportional to 1,078,009.60, 1,616,787.60 and 545,029.60 is: 817,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,009.60 : 1,616,787.60 = 545,029.60 : x
  2. Step 2: Convert to fraction form
    1,078,009.60/1,616,787.60 = 545,029.60/x
  3. Step 3: Cross multiply
    1,078,009.60x = 1,616,787.60 × 545,029.60
  4. Step 4: Simplify right side
    1,078,009.60x = 881,197,098,912.96
  5. Step 5: Solve for x
    x = 881,197,098,912.96/1,078,009.60
  6. Step 6: Final answer
    x = 817,429.73

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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.