Home / 1,223,214.19-1,687,980.94-733,454.04

Finding the Fourth Proportional to 1,223,214.19, 1,687,980.94 and 733,454.04

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Solution

The fourth proportional to 1,223,214.19, 1,687,980.94 and 733,454.04 is: 1,012,133.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,214.19 : 1,687,980.94 = 733,454.04 : x
  2. Step 2: Convert to fraction form
    1,223,214.19/1,687,980.94 = 733,454.04/x
  3. Step 3: Cross multiply
    1,223,214.19x = 1,687,980.94 × 733,454.04
  4. Step 4: Simplify right side
    1,223,214.19x = 1,238,056,439,886.00
  5. Step 5: Solve for x
    x = 1,238,056,439,886.00/1,223,214.19
  6. Step 6: Final answer
    x = 1,012,133.81

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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.