Home / 1,721,712.40-2,582,568.60-523,625.20

Finding the Fourth Proportional to 1,721,712.40, 2,582,568.60 and 523,625.20

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Solution

The fourth proportional to 1,721,712.40, 2,582,568.60 and 523,625.20 is: 785,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721,712.40 : 2,582,568.60 = 523,625.20 : x
  2. Step 2: Convert to fraction form
    1,721,712.40/2,582,568.60 = 523,625.20/x
  3. Step 3: Cross multiply
    1,721,712.40x = 2,582,568.60 × 523,625.20
  4. Step 4: Simplify right side
    1,721,712.40x = 1,352,297,999,688.72
  5. Step 5: Solve for x
    x = 1,352,297,999,688.72/1,721,712.40
  6. Step 6: Final answer
    x = 785,437.80

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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.