Home / 1,390,404.40-2,085,606.60-548,846.80

Finding the Fourth Proportional to 1,390,404.40, 2,085,606.60 and 548,846.80

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Solution

The fourth proportional to 1,390,404.40, 2,085,606.60 and 548,846.80 is: 823,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,404.40 : 2,085,606.60 = 548,846.80 : x
  2. Step 2: Convert to fraction form
    1,390,404.40/2,085,606.60 = 548,846.80/x
  3. Step 3: Cross multiply
    1,390,404.40x = 2,085,606.60 × 548,846.80
  4. Step 4: Simplify right side
    1,390,404.40x = 1,144,678,508,468.88
  5. Step 5: Solve for x
    x = 1,144,678,508,468.88/1,390,404.40
  6. Step 6: Final answer
    x = 823,270.20

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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.