Home / 1,343,355.20-2,014,989.60-444,838.40

Finding the Fourth Proportional to 1,343,355.20, 2,014,989.60 and 444,838.40

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Solution

The fourth proportional to 1,343,355.20, 2,014,989.60 and 444,838.40 is: 667,243.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,355.20 : 2,014,989.60 = 444,838.40 : x
  2. Step 2: Convert to fraction form
    1,343,355.20/2,014,989.60 = 444,838.40/x
  3. Step 3: Cross multiply
    1,343,355.20x = 2,014,989.60 × 444,838.40
  4. Step 4: Simplify right side
    1,343,355.20x = 896,344,749,680.64
  5. Step 5: Solve for x
    x = 896,344,749,680.64/1,343,355.20
  6. Step 6: Final answer
    x = 667,243.29

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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.