Home / 1,333,211.20-2,000,108.40-659,615.20

Finding the Fourth Proportional to 1,333,211.20, 2,000,108.40 and 659,615.20

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Solution

The fourth proportional to 1,333,211.20, 2,000,108.40 and 659,615.20 is: 989,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,211.20 : 2,000,108.40 = 659,615.20 : x
  2. Step 2: Convert to fraction form
    1,333,211.20/2,000,108.40 = 659,615.20/x
  3. Step 3: Cross multiply
    1,333,211.20x = 2,000,108.40 × 659,615.20
  4. Step 4: Simplify right side
    1,333,211.20x = 1,319,301,902,287.68
  5. Step 5: Solve for x
    x = 1,319,301,902,287.68/1,333,211.20
  6. Step 6: Final answer
    x = 989,567.07

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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.