Home / 1,202,847.39-1,659,929.31-659,002.45

Finding the Fourth Proportional to 1,202,847.39, 1,659,929.31 and 659,002.45

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Solution

The fourth proportional to 1,202,847.39, 1,659,929.31 and 659,002.45 is: 909,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,847.39 : 1,659,929.31 = 659,002.45 : x
  2. Step 2: Convert to fraction form
    1,202,847.39/1,659,929.31 = 659,002.45/x
  3. Step 3: Cross multiply
    1,202,847.39x = 1,659,929.31 × 659,002.45
  4. Step 4: Simplify right side
    1,202,847.39x = 1,093,897,482,116.81
  5. Step 5: Solve for x
    x = 1,093,897,482,116.81/1,202,847.39
  6. Step 6: Final answer
    x = 909,423.33

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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.