Home / 1,377,023.29-1,900,254.23-765,160.22

Finding the Fourth Proportional to 1,377,023.29, 1,900,254.23 and 765,160.22

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Solution

The fourth proportional to 1,377,023.29, 1,900,254.23 and 765,160.22 is: 1,055,900.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,023.29 : 1,900,254.23 = 765,160.22 : x
  2. Step 2: Convert to fraction form
    1,377,023.29/1,900,254.23 = 765,160.22/x
  3. Step 3: Cross multiply
    1,377,023.29x = 1,900,254.23 × 765,160.22
  4. Step 4: Simplify right side
    1,377,023.29x = 1,453,998,948,476.92
  5. Step 5: Solve for x
    x = 1,453,998,948,476.92/1,377,023.29
  6. Step 6: Final answer
    x = 1,055,900.04

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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.