Home / 1,776,645.76-2,666,149.62-830,090.29

Finding the Fourth Proportional to 1,776,645.76, 2,666,149.62 and 830,090.29

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Solution

The fourth proportional to 1,776,645.76, 2,666,149.62 and 830,090.29 is: 1,245,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,645.76 : 2,666,149.62 = 830,090.29 : x
  2. Step 2: Convert to fraction form
    1,776,645.76/2,666,149.62 = 830,090.29/x
  3. Step 3: Cross multiply
    1,776,645.76x = 2,666,149.62 × 830,090.29
  4. Step 4: Simplify right side
    1,776,645.76x = 2,213,144,911,249.19
  5. Step 5: Solve for x
    x = 2,213,144,911,249.19/1,776,645.76
  6. Step 6: Final answer
    x = 1,245,687.22

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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.