Home / 1,078,732.80-1,617,710.40-546,076.80

Finding the Fourth Proportional to 1,078,732.80, 1,617,710.40 and 546,076.80

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Solution

The fourth proportional to 1,078,732.80, 1,617,710.40 and 546,076.80 is: 818,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,732.80 : 1,617,710.40 = 546,076.80 : x
  2. Step 2: Convert to fraction form
    1,078,732.80/1,617,710.40 = 546,076.80/x
  3. Step 3: Cross multiply
    1,078,732.80x = 1,617,710.40 × 546,076.80
  4. Step 4: Simplify right side
    1,078,732.80x = 883,394,118,558.72
  5. Step 5: Solve for x
    x = 883,394,118,558.72/1,078,732.80
  6. Step 6: Final answer
    x = 818,918.38

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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.