Home / 1,230,984.27-1,699,041.69-721,850.67

Finding the Fourth Proportional to 1,230,984.27, 1,699,041.69 and 721,850.67

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Solution

The fourth proportional to 1,230,984.27, 1,699,041.69 and 721,850.67 is: 996,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,984.27 : 1,699,041.69 = 721,850.67 : x
  2. Step 2: Convert to fraction form
    1,230,984.27/1,699,041.69 = 721,850.67/x
  3. Step 3: Cross multiply
    1,230,984.27x = 1,699,041.69 × 721,850.67
  4. Step 4: Simplify right side
    1,230,984.27x = 1,226,454,382,284.43
  5. Step 5: Solve for x
    x = 1,226,454,382,284.43/1,230,984.27
  6. Step 6: Final answer
    x = 996,320.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.