Home / 1,720,227.40-2,580,632.70-522,140.20

Finding the Fourth Proportional to 1,720,227.40, 2,580,632.70 and 522,140.20

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Solution

The fourth proportional to 1,720,227.40, 2,580,632.70 and 522,140.20 is: 783,298.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,227.40 : 2,580,632.70 = 522,140.20 : x
  2. Step 2: Convert to fraction form
    1,720,227.40/2,580,632.70 = 522,140.20/x
  3. Step 3: Cross multiply
    1,720,227.40x = 2,580,632.70 × 522,140.20
  4. Step 4: Simplify right side
    1,720,227.40x = 1,347,452,074,104.54
  5. Step 5: Solve for x
    x = 1,347,452,074,104.54/1,720,227.40
  6. Step 6: Final answer
    x = 783,298.81

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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.