Home / 1,021,724.85-1,532,773.17-422,360.49

Finding the Fourth Proportional to 1,021,724.85, 1,532,773.17 and 422,360.49

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Solution

The fourth proportional to 1,021,724.85, 1,532,773.17 and 422,360.49 is: 633,617.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,724.85 : 1,532,773.17 = 422,360.49 : x
  2. Step 2: Convert to fraction form
    1,021,724.85/1,532,773.17 = 422,360.49/x
  3. Step 3: Cross multiply
    1,021,724.85x = 1,532,773.17 × 422,360.49
  4. Step 4: Simplify right side
    1,021,724.85x = 647,382,827,140.05
  5. Step 5: Solve for x
    x = 647,382,827,140.05/1,021,724.85
  6. Step 6: Final answer
    x = 633,617.58

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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.