Home / 1,723,301.85-2,376,608.40-1,078,780.80

Finding the Fourth Proportional to 1,723,301.85, 2,376,608.40 and 1,078,780.80

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Solution

The fourth proportional to 1,723,301.85, 2,376,608.40 and 1,078,780.80 is: 1,487,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723,301.85 : 2,376,608.40 = 1,078,780.80 : x
  2. Step 2: Convert to fraction form
    1,723,301.85/2,376,608.40 = 1,078,780.80/x
  3. Step 3: Cross multiply
    1,723,301.85x = 2,376,608.40 × 1,078,780.80
  4. Step 4: Simplify right side
    1,723,301.85x = 2,563,839,511,038.72
  5. Step 5: Solve for x
    x = 2,563,839,511,038.72/1,723,301.85
  6. Step 6: Final answer
    x = 1,487,748.37

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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.