Home / 1,313,036.49-1,813,485.04-882,569.28

Finding the Fourth Proportional to 1,313,036.49, 1,813,485.04 and 882,569.28

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Solution

The fourth proportional to 1,313,036.49, 1,813,485.04 and 882,569.28 is: 1,218,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,036.49 : 1,813,485.04 = 882,569.28 : x
  2. Step 2: Convert to fraction form
    1,313,036.49/1,813,485.04 = 882,569.28/x
  3. Step 3: Cross multiply
    1,313,036.49x = 1,813,485.04 × 882,569.28
  4. Step 4: Simplify right side
    1,313,036.49x = 1,600,526,188,370.86
  5. Step 5: Solve for x
    x = 1,600,526,188,370.86/1,313,036.49
  6. Step 6: Final answer
    x = 1,218,950.27

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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.