Home / 1,028,291.37-1,542,420.53-280,337.37

Finding the Fourth Proportional to 1,028,291.37, 1,542,420.53 and 280,337.37

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Solution

The fourth proportional to 1,028,291.37, 1,542,420.53 and 280,337.37 is: 420,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,291.37 : 1,542,420.53 = 280,337.37 : x
  2. Step 2: Convert to fraction form
    1,028,291.37/1,542,420.53 = 280,337.37/x
  3. Step 3: Cross multiply
    1,028,291.37x = 1,542,420.53 × 280,337.37
  4. Step 4: Simplify right side
    1,028,291.37x = 432,398,105,700.42
  5. Step 5: Solve for x
    x = 432,398,105,700.42/1,028,291.37
  6. Step 6: Final answer
    x = 420,501.54

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1.5x scale

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.