Home / 1,390,406.40-2,085,609.60-548,848.80

Finding the Fourth Proportional to 1,390,406.40, 2,085,609.60 and 548,848.80

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Solution

The fourth proportional to 1,390,406.40, 2,085,609.60 and 548,848.80 is: 823,273.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,406.40 : 2,085,609.60 = 548,848.80 : x
  2. Step 2: Convert to fraction form
    1,390,406.40/2,085,609.60 = 548,848.80/x
  3. Step 3: Cross multiply
    1,390,406.40x = 2,085,609.60 × 548,848.80
  4. Step 4: Simplify right side
    1,390,406.40x = 1,144,684,326,228.48
  5. Step 5: Solve for x
    x = 1,144,684,326,228.48/1,390,406.40
  6. Step 6: Final answer
    x = 823,273.20

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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.