Home / 1,720,310.90-2,374,089.92-946,000.43

Finding the Fourth Proportional to 1,720,310.90, 2,374,089.92 and 946,000.43

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Solution

The fourth proportional to 1,720,310.90, 2,374,089.92 and 946,000.43 is: 1,305,514.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,310.90 : 2,374,089.92 = 946,000.43 : x
  2. Step 2: Convert to fraction form
    1,720,310.90/2,374,089.92 = 946,000.43/x
  3. Step 3: Cross multiply
    1,720,310.90x = 2,374,089.92 × 946,000.43
  4. Step 4: Simplify right side
    1,720,310.90x = 2,245,890,093,478.89
  5. Step 5: Solve for x
    x = 2,245,890,093,478.89/1,720,310.90
  6. Step 6: Final answer
    x = 1,305,514.08

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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.