Home / 1,133,778.10-1,698,370.80-706,000.90

Finding the Fourth Proportional to 1,133,778.10, 1,698,370.80 and 706,000.90

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Solution

The fourth proportional to 1,133,778.10, 1,698,370.80 and 706,000.90 is: 1,057,571.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,778.10 : 1,698,370.80 = 706,000.90 : x
  2. Step 2: Convert to fraction form
    1,133,778.10/1,698,370.80 = 706,000.90/x
  3. Step 3: Cross multiply
    1,133,778.10x = 1,698,370.80 × 706,000.90
  4. Step 4: Simplify right side
    1,133,778.10x = 1,199,051,313,333.72
  5. Step 5: Solve for x
    x = 1,199,051,313,333.72/1,133,778.10
  6. Step 6: Final answer
    x = 1,057,571.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.