Home / 1,369,710-1,890,206.28-766,098

Finding the Fourth Proportional to 1,369,710, 1,890,206.28 and 766,098

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Solution

The fourth proportional to 1,369,710, 1,890,206.28 and 766,098 is: 1,057,218.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,710 : 1,890,206.28 = 766,098 : x
  2. Step 2: Convert to fraction form
    1,369,710/1,890,206.28 = 766,098/x
  3. Step 3: Cross multiply
    1,369,710x = 1,890,206.28 × 766,098
  4. Step 4: Simplify right side
    1,369,710x = 1,448,083,250,695.44
  5. Step 5: Solve for x
    x = 1,448,083,250,695.44/1,369,710
  6. Step 6: Final answer
    x = 1,057,218.86

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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.