Home / 1,019,438.44-1,528,567.26-345,293.80

Finding the Fourth Proportional to 1,019,438.44, 1,528,567.26 and 345,293.80

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Solution

The fourth proportional to 1,019,438.44, 1,528,567.26 and 345,293.80 is: 517,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,438.44 : 1,528,567.26 = 345,293.80 : x
  2. Step 2: Convert to fraction form
    1,019,438.44/1,528,567.26 = 345,293.80/x
  3. Step 3: Cross multiply
    1,019,438.44x = 1,528,567.26 × 345,293.80
  4. Step 4: Simplify right side
    1,019,438.44x = 527,804,797,760.99
  5. Step 5: Solve for x
    x = 527,804,797,760.99/1,019,438.44
  6. Step 6: Final answer
    x = 517,740.73

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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.