Home / 1,551,619.80-2,141,209.50-863,284.44

Finding the Fourth Proportional to 1,551,619.80, 2,141,209.50 and 863,284.44

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Solution

The fourth proportional to 1,551,619.80, 2,141,209.50 and 863,284.44 is: 1,191,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,619.80 : 2,141,209.50 = 863,284.44 : x
  2. Step 2: Convert to fraction form
    1,551,619.80/2,141,209.50 = 863,284.44/x
  3. Step 3: Cross multiply
    1,551,619.80x = 2,141,209.50 × 863,284.44
  4. Step 4: Simplify right side
    1,551,619.80x = 1,848,472,844,130.18
  5. Step 5: Solve for x
    x = 1,848,472,844,130.18/1,551,619.80
  6. Step 6: Final answer
    x = 1,191,318.16

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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.