Home / 1,377,000.90-1,900,223.46-765,137.94

Finding the Fourth Proportional to 1,377,000.90, 1,900,223.46 and 765,137.94

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Solution

The fourth proportional to 1,377,000.90, 1,900,223.46 and 765,137.94 is: 1,055,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,000.90 : 1,900,223.46 = 765,137.94 : x
  2. Step 2: Convert to fraction form
    1,377,000.90/1,900,223.46 = 765,137.94/x
  3. Step 3: Cross multiply
    1,377,000.90x = 1,900,223.46 × 765,137.94
  4. Step 4: Simplify right side
    1,377,000.90x = 1,453,933,063,724.07
  5. Step 5: Solve for x
    x = 1,453,933,063,724.07/1,377,000.90
  6. Step 6: Final answer
    x = 1,055,869.36

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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.