Home / 1,243,852.30-1,865,788.82-345,364.10

Finding the Fourth Proportional to 1,243,852.30, 1,865,788.82 and 345,364.10

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Solution

The fourth proportional to 1,243,852.30, 1,865,788.82 and 345,364.10 is: 518,049.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,852.30 : 1,865,788.82 = 345,364.10 : x
  2. Step 2: Convert to fraction form
    1,243,852.30/1,865,788.82 = 345,364.10/x
  3. Step 3: Cross multiply
    1,243,852.30x = 1,865,788.82 × 345,364.10
  4. Step 4: Simplify right side
    1,243,852.30x = 644,376,475,788.09
  5. Step 5: Solve for x
    x = 644,376,475,788.09/1,243,852.30
  6. Step 6: Final answer
    x = 518,049.03

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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.