Home / 1,307,076.60-1,960,947.53-767,788.92

Finding the Fourth Proportional to 1,307,076.60, 1,960,947.53 and 767,788.92

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Solution

The fourth proportional to 1,307,076.60, 1,960,947.53 and 767,788.92 is: 1,151,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,076.60 : 1,960,947.53 = 767,788.92 : x
  2. Step 2: Convert to fraction form
    1,307,076.60/1,960,947.53 = 767,788.92/x
  3. Step 3: Cross multiply
    1,307,076.60x = 1,960,947.53 × 767,788.92
  4. Step 4: Simplify right side
    1,307,076.60x = 1,505,593,782,396.42
  5. Step 5: Solve for x
    x = 1,505,593,782,396.42/1,307,076.60
  6. Step 6: Final answer
    x = 1,151,878.77

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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.