Home / 1,551,353.46-2,139,993.04-930,999.98

Finding the Fourth Proportional to 1,551,353.46, 2,139,993.04 and 930,999.98

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Solution

The fourth proportional to 1,551,353.46, 2,139,993.04 and 930,999.98 is: 1,284,255.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551,353.46 : 2,139,993.04 = 930,999.98 : x
  2. Step 2: Convert to fraction form
    1,551,353.46/2,139,993.04 = 930,999.98/x
  3. Step 3: Cross multiply
    1,551,353.46x = 2,139,993.04 × 930,999.98
  4. Step 4: Simplify right side
    1,551,353.46x = 1,992,333,477,440.14
  5. Step 5: Solve for x
    x = 1,992,333,477,440.14/1,551,353.46
  6. Step 6: Final answer
    x = 1,284,255.03

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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.