Home / 1,720,490.67-2,580,569.25-522,423.52

Finding the Fourth Proportional to 1,720,490.67, 2,580,569.25 and 522,423.52

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Solution

The fourth proportional to 1,720,490.67, 2,580,569.25 and 522,423.52 is: 783,584.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,490.67 : 2,580,569.25 = 522,423.52 : x
  2. Step 2: Convert to fraction form
    1,720,490.67/2,580,569.25 = 522,423.52/x
  3. Step 3: Cross multiply
    1,720,490.67x = 2,580,569.25 × 522,423.52
  4. Step 4: Simplify right side
    1,720,490.67x = 1,348,150,074,414.47
  5. Step 5: Solve for x
    x = 1,348,150,074,414.47/1,720,490.67
  6. Step 6: Final answer
    x = 783,584.65

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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.