Home / 1,776,642.76-2,666,145.12-830,087.29

Finding the Fourth Proportional to 1,776,642.76, 2,666,145.12 and 830,087.29

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Solution

The fourth proportional to 1,776,642.76, 2,666,145.12 and 830,087.29 is: 1,245,682.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,642.76 : 2,666,145.12 = 830,087.29 : x
  2. Step 2: Convert to fraction form
    1,776,642.76/2,666,145.12 = 830,087.29/x
  3. Step 3: Cross multiply
    1,776,642.76x = 2,666,145.12 × 830,087.29
  4. Step 4: Simplify right side
    1,776,642.76x = 2,213,133,159,926.36
  5. Step 5: Solve for x
    x = 2,213,133,159,926.36/1,776,642.76
  6. Step 6: Final answer
    x = 1,245,682.71

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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.