Home / 1,728,874.80-2,590,007.40-929,890.80

Finding the Fourth Proportional to 1,728,874.80, 2,590,007.40 and 929,890.80

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Solution

The fourth proportional to 1,728,874.80, 2,590,007.40 and 929,890.80 is: 1,393,058.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,874.80 : 2,590,007.40 = 929,890.80 : x
  2. Step 2: Convert to fraction form
    1,728,874.80/2,590,007.40 = 929,890.80/x
  3. Step 3: Cross multiply
    1,728,874.80x = 2,590,007.40 × 929,890.80
  4. Step 4: Simplify right side
    1,728,874.80x = 2,408,424,053,191.92
  5. Step 5: Solve for x
    x = 2,408,424,053,191.92/1,728,874.80
  6. Step 6: Final answer
    x = 1,393,058.68

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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.