Home / 1,376,842.48-1,900,028.82-756,657.88

Finding the Fourth Proportional to 1,376,842.48, 1,900,028.82 and 756,657.88

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Solution

The fourth proportional to 1,376,842.48, 1,900,028.82 and 756,657.88 is: 1,044,180.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,842.48 : 1,900,028.82 = 756,657.88 : x
  2. Step 2: Convert to fraction form
    1,376,842.48/1,900,028.82 = 756,657.88/x
  3. Step 3: Cross multiply
    1,376,842.48x = 1,900,028.82 × 756,657.88
  4. Step 4: Simplify right side
    1,376,842.48x = 1,437,671,778,880.10
  5. Step 5: Solve for x
    x = 1,437,671,778,880.10/1,376,842.48
  6. Step 6: Final answer
    x = 1,044,180.29

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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.