Home / 1,481,837.76-2,221,745.76-712,929.60

Finding the Fourth Proportional to 1,481,837.76, 2,221,745.76 and 712,929.60

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Solution

The fourth proportional to 1,481,837.76, 2,221,745.76 and 712,929.60 is: 1,068,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,837.76 : 2,221,745.76 = 712,929.60 : x
  2. Step 2: Convert to fraction form
    1,481,837.76/2,221,745.76 = 712,929.60/x
  3. Step 3: Cross multiply
    1,481,837.76x = 2,221,745.76 × 712,929.60
  4. Step 4: Simplify right side
    1,481,837.76x = 1,583,948,315,978.50
  5. Step 5: Solve for x
    x = 1,583,948,315,978.50/1,481,837.76
  6. Step 6: Final answer
    x = 1,068,908.05

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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.