Home / 1,720,408.77-2,580,744.39-522,430.32

Finding the Fourth Proportional to 1,720,408.77, 2,580,744.39 and 522,430.32

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Solution

The fourth proportional to 1,720,408.77, 2,580,744.39 and 522,430.32 is: 783,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,408.77 : 2,580,744.39 = 522,430.32 : x
  2. Step 2: Convert to fraction form
    1,720,408.77/2,580,744.39 = 522,430.32/x
  3. Step 3: Cross multiply
    1,720,408.77x = 2,580,744.39 × 522,430.32
  4. Step 4: Simplify right side
    1,720,408.77x = 1,348,259,117,505.90
  5. Step 5: Solve for x
    x = 1,348,259,117,505.90/1,720,408.77
  6. Step 6: Final answer
    x = 783,685.33

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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.