Home / 1,439,558.28-2,160,647.82-766,204.92

Finding the Fourth Proportional to 1,439,558.28, 2,160,647.82 and 766,204.92

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Solution

The fourth proportional to 1,439,558.28, 2,160,647.82 and 766,204.92 is: 1,150,004.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,558.28 : 2,160,647.82 = 766,204.92 : x
  2. Step 2: Convert to fraction form
    1,439,558.28/2,160,647.82 = 766,204.92/x
  3. Step 3: Cross multiply
    1,439,558.28x = 2,160,647.82 × 766,204.92
  4. Step 4: Simplify right side
    1,439,558.28x = 1,655,498,990,071.27
  5. Step 5: Solve for x
    x = 1,655,498,990,071.27/1,439,558.28
  6. Step 6: Final answer
    x = 1,150,004.84

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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.