Home / 1,230,490.40-1,847,233.20-698,381.60

Finding the Fourth Proportional to 1,230,490.40, 1,847,233.20 and 698,381.60

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Solution

The fourth proportional to 1,230,490.40, 1,847,233.20 and 698,381.60 is: 1,048,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,490.40 : 1,847,233.20 = 698,381.60 : x
  2. Step 2: Convert to fraction form
    1,230,490.40/1,847,233.20 = 698,381.60/x
  3. Step 3: Cross multiply
    1,230,490.40x = 1,847,233.20 × 698,381.60
  4. Step 4: Simplify right side
    1,230,490.40x = 1,290,073,677,789.12
  5. Step 5: Solve for x
    x = 1,290,073,677,789.12/1,230,490.40
  6. Step 6: Final answer
    x = 1,048,422.38

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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.