Home / 1,306,489.20-1,959,228.36-507,665.58

Finding the Fourth Proportional to 1,306,489.20, 1,959,228.36 and 507,665.58

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Solution

The fourth proportional to 1,306,489.20, 1,959,228.36 and 507,665.58 is: 761,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,489.20 : 1,959,228.36 = 507,665.58 : x
  2. Step 2: Convert to fraction form
    1,306,489.20/1,959,228.36 = 507,665.58/x
  3. Step 3: Cross multiply
    1,306,489.20x = 1,959,228.36 × 507,665.58
  4. Step 4: Simplify right side
    1,306,489.20x = 994,632,801,731.85
  5. Step 5: Solve for x
    x = 994,632,801,731.85/1,306,489.20
  6. Step 6: Final answer
    x = 761,301.97

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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.