Home / 1,551,636.13-2,141,005.54-863,290.30

Finding the Fourth Proportional to 1,551,636.13, 2,141,005.54 and 863,290.30

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Solution

The fourth proportional to 1,551,636.13, 2,141,005.54 and 863,290.30 is: 1,191,200.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,636.13 : 2,141,005.54 = 863,290.30 : x
  2. Step 2: Convert to fraction form
    1,551,636.13/2,141,005.54 = 863,290.30/x
  3. Step 3: Cross multiply
    1,551,636.13x = 2,141,005.54 × 863,290.30
  4. Step 4: Simplify right side
    1,551,636.13x = 1,848,309,314,928.26
  5. Step 5: Solve for x
    x = 1,848,309,314,928.26/1,551,636.13
  6. Step 6: Final answer
    x = 1,191,200.23

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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.