Home / 1,310,936.82-1,809,095.77-730,155.28

Finding the Fourth Proportional to 1,310,936.82, 1,809,095.77 and 730,155.28

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Solution

The fourth proportional to 1,310,936.82, 1,809,095.77 and 730,155.28 is: 1,007,615.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,936.82 : 1,809,095.77 = 730,155.28 : x
  2. Step 2: Convert to fraction form
    1,310,936.82/1,809,095.77 = 730,155.28/x
  3. Step 3: Cross multiply
    1,310,936.82x = 1,809,095.77 × 730,155.28
  4. Step 4: Simplify right side
    1,310,936.82x = 1,320,920,828,491.17
  5. Step 5: Solve for x
    x = 1,320,920,828,491.17/1,310,936.82
  6. Step 6: Final answer
    x = 1,007,615.93

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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.