Home / 1,377,808.37-1,901,407.20-765,937.61

Finding the Fourth Proportional to 1,377,808.37, 1,901,407.20 and 765,937.61

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Solution

The fourth proportional to 1,377,808.37, 1,901,407.20 and 765,937.61 is: 1,057,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,808.37 : 1,901,407.20 = 765,937.61 : x
  2. Step 2: Convert to fraction form
    1,377,808.37/1,901,407.20 = 765,937.61/x
  3. Step 3: Cross multiply
    1,377,808.37x = 1,901,407.20 × 765,937.61
  4. Step 4: Simplify right side
    1,377,808.37x = 1,456,359,286,404.79
  5. Step 5: Solve for x
    x = 1,456,359,286,404.79/1,377,808.37
  6. Step 6: Final answer
    x = 1,057,011.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.