Home / 1,377,092.75-1,900,388.93-765,302.58

Finding the Fourth Proportional to 1,377,092.75, 1,900,388.93 and 765,302.58

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Solution

The fourth proportional to 1,377,092.75, 1,900,388.93 and 765,302.58 is: 1,056,118.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,092.75 : 1,900,388.93 = 765,302.58 : x
  2. Step 2: Convert to fraction form
    1,377,092.75/1,900,388.93 = 765,302.58/x
  3. Step 3: Cross multiply
    1,377,092.75x = 1,900,388.93 × 765,302.58
  4. Step 4: Simplify right side
    1,377,092.75x = 1,454,372,547,305.93
  5. Step 5: Solve for x
    x = 1,454,372,547,305.93/1,377,092.75
  6. Step 6: Final answer
    x = 1,056,118.08

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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.