Home / 1,313,791.45-1,813,029.69-732,980.03

Finding the Fourth Proportional to 1,313,791.45, 1,813,029.69 and 732,980.03

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Solution

The fourth proportional to 1,313,791.45, 1,813,029.69 and 732,980.03 is: 1,011,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,791.45 : 1,813,029.69 = 732,980.03 : x
  2. Step 2: Convert to fraction form
    1,313,791.45/1,813,029.69 = 732,980.03/x
  3. Step 3: Cross multiply
    1,313,791.45x = 1,813,029.69 × 732,980.03
  4. Step 4: Simplify right side
    1,313,791.45x = 1,328,914,547,501.94
  5. Step 5: Solve for x
    x = 1,328,914,547,501.94/1,313,791.45
  6. Step 6: Final answer
    x = 1,011,511.04

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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.