Home / 1,377,014.48-1,900,254.77-765,156.11

Finding the Fourth Proportional to 1,377,014.48, 1,900,254.77 and 765,156.11

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Solution

The fourth proportional to 1,377,014.48, 1,900,254.77 and 765,156.11 is: 1,055,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,014.48 : 1,900,254.77 = 765,156.11 : x
  2. Step 2: Convert to fraction form
    1,377,014.48/1,900,254.77 = 765,156.11/x
  3. Step 3: Cross multiply
    1,377,014.48x = 1,900,254.77 × 765,156.11
  4. Step 4: Simplify right side
    1,377,014.48x = 1,453,991,537,364.43
  5. Step 5: Solve for x
    x = 1,453,991,537,364.43/1,377,014.48
  6. Step 6: Final answer
    x = 1,055,901.42

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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.