Home / 1,440,839.01-2,161,631.79-766,365.15

Finding the Fourth Proportional to 1,440,839.01, 2,161,631.79 and 766,365.15

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Solution

The fourth proportional to 1,440,839.01, 2,161,631.79 and 766,365.15 is: 1,149,746.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,839.01 : 2,161,631.79 = 766,365.15 : x
  2. Step 2: Convert to fraction form
    1,440,839.01/2,161,631.79 = 766,365.15/x
  3. Step 3: Cross multiply
    1,440,839.01x = 2,161,631.79 × 766,365.15
  4. Step 4: Simplify right side
    1,440,839.01x = 1,656,599,270,988.12
  5. Step 5: Solve for x
    x = 1,656,599,270,988.12/1,440,839.01
  6. Step 6: Final answer
    x = 1,149,746.27

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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.