Home / 1,328,793.60-1,993,190.40-487,673.40

Finding the Fourth Proportional to 1,328,793.60, 1,993,190.40 and 487,673.40

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Solution

The fourth proportional to 1,328,793.60, 1,993,190.40 and 487,673.40 is: 731,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,793.60 : 1,993,190.40 = 487,673.40 : x
  2. Step 2: Convert to fraction form
    1,328,793.60/1,993,190.40 = 487,673.40/x
  3. Step 3: Cross multiply
    1,328,793.60x = 1,993,190.40 × 487,673.40
  4. Step 4: Simplify right side
    1,328,793.60x = 972,025,939,215.36
  5. Step 5: Solve for x
    x = 972,025,939,215.36/1,328,793.60
  6. Step 6: Final answer
    x = 731,510.10

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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.