Home / 789,147.60-1,183,721.40-537,205.20

Finding the Fourth Proportional to 789,147.60, 1,183,721.40 and 537,205.20

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Solution

The fourth proportional to 789,147.60, 1,183,721.40 and 537,205.20 is: 805,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,147.60 : 1,183,721.40 = 537,205.20 : x
  2. Step 2: Convert to fraction form
    789,147.60/1,183,721.40 = 537,205.20/x
  3. Step 3: Cross multiply
    789,147.60x = 1,183,721.40 × 537,205.20
  4. Step 4: Simplify right side
    789,147.60x = 635,901,291,431.28
  5. Step 5: Solve for x
    x = 635,901,291,431.28/789,147.60
  6. Step 6: Final answer
    x = 805,807.80

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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.