Home / 1,440,662.34-2,161,367.16-766,189.02

Finding the Fourth Proportional to 1,440,662.34, 2,161,367.16 and 766,189.02

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Solution

The fourth proportional to 1,440,662.34, 2,161,367.16 and 766,189.02 is: 1,149,482.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,662.34 : 2,161,367.16 = 766,189.02 : x
  2. Step 2: Convert to fraction form
    1,440,662.34/2,161,367.16 = 766,189.02/x
  3. Step 3: Cross multiply
    1,440,662.34x = 2,161,367.16 × 766,189.02
  4. Step 4: Simplify right side
    1,440,662.34x = 1,656,015,786,180.58
  5. Step 5: Solve for x
    x = 1,656,015,786,180.58/1,440,662.34
  6. Step 6: Final answer
    x = 1,149,482.25

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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.