Home / 1,313,709.65-1,812,964.05-762,382.67

Finding the Fourth Proportional to 1,313,709.65, 1,812,964.05 and 762,382.67

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Solution

The fourth proportional to 1,313,709.65, 1,812,964.05 and 762,382.67 is: 1,052,114.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,709.65 : 1,812,964.05 = 762,382.67 : x
  2. Step 2: Convert to fraction form
    1,313,709.65/1,812,964.05 = 762,382.67/x
  3. Step 3: Cross multiply
    1,313,709.65x = 1,812,964.05 × 762,382.67
  4. Step 4: Simplify right side
    1,313,709.65x = 1,382,172,363,988.19
  5. Step 5: Solve for x
    x = 1,382,172,363,988.19/1,313,709.65
  6. Step 6: Final answer
    x = 1,052,114.04

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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.