Home / 1,052,564.10-1,576,513.35-815,136.90

Finding the Fourth Proportional to 1,052,564.10, 1,576,513.35 and 815,136.90

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Solution

The fourth proportional to 1,052,564.10, 1,576,513.35 and 815,136.90 is: 1,220,898.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052,564.10 : 1,576,513.35 = 815,136.90 : x
  2. Step 2: Convert to fraction form
    1,052,564.10/1,576,513.35 = 815,136.90/x
  3. Step 3: Cross multiply
    1,052,564.10x = 1,576,513.35 × 815,136.90
  4. Step 4: Simplify right side
    1,052,564.10x = 1,285,074,204,927.62
  5. Step 5: Solve for x
    x = 1,285,074,204,927.62/1,052,564.10
  6. Step 6: Final answer
    x = 1,220,898.76

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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.