Home / 993,877.40-1,489,059.30-960,987.80

Finding the Fourth Proportional to 993,877.40, 1,489,059.30 and 960,987.80

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Solution

The fourth proportional to 993,877.40, 1,489,059.30 and 960,987.80 is: 1,439,783.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,877.40 : 1,489,059.30 = 960,987.80 : x
  2. Step 2: Convert to fraction form
    993,877.40/1,489,059.30 = 960,987.80/x
  3. Step 3: Cross multiply
    993,877.40x = 1,489,059.30 × 960,987.80
  4. Step 4: Simplify right side
    993,877.40x = 1,430,967,820,776.54
  5. Step 5: Solve for x
    x = 1,430,967,820,776.54/993,877.40
  6. Step 6: Final answer
    x = 1,439,783.04

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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.