Home / 1,134,334.20-1,698,002.10-659,609.40

Finding the Fourth Proportional to 1,134,334.20, 1,698,002.10 and 659,609.40

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Solution

The fourth proportional to 1,134,334.20, 1,698,002.10 and 659,609.40 is: 987,379.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,334.20 : 1,698,002.10 = 659,609.40 : x
  2. Step 2: Convert to fraction form
    1,134,334.20/1,698,002.10 = 659,609.40/x
  3. Step 3: Cross multiply
    1,134,334.20x = 1,698,002.10 × 659,609.40
  4. Step 4: Simplify right side
    1,134,334.20x = 1,120,018,146,379.74
  5. Step 5: Solve for x
    x = 1,120,018,146,379.74/1,134,334.20
  6. Step 6: Final answer
    x = 987,379.33

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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.