Home / 1,690,494.20-2,534,938.58-980,739.80

Finding the Fourth Proportional to 1,690,494.20, 2,534,938.58 and 980,739.80

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Solution

The fourth proportional to 1,690,494.20, 2,534,938.58 and 980,739.80 is: 1,470,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,494.20 : 2,534,938.58 = 980,739.80 : x
  2. Step 2: Convert to fraction form
    1,690,494.20/2,534,938.58 = 980,739.80/x
  3. Step 3: Cross multiply
    1,690,494.20x = 2,534,938.58 × 980,739.80
  4. Step 4: Simplify right side
    1,690,494.20x = 2,486,115,145,738.64
  5. Step 5: Solve for x
    x = 2,486,115,145,738.64/1,690,494.20
  6. Step 6: Final answer
    x = 1,470,644.00

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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.