Home / 1,376,029.80-2,064,044.70-809,159.40

Finding the Fourth Proportional to 1,376,029.80, 2,064,044.70 and 809,159.40

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Solution

The fourth proportional to 1,376,029.80, 2,064,044.70 and 809,159.40 is: 1,213,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,029.80 : 2,064,044.70 = 809,159.40 : x
  2. Step 2: Convert to fraction form
    1,376,029.80/2,064,044.70 = 809,159.40/x
  3. Step 3: Cross multiply
    1,376,029.80x = 2,064,044.70 × 809,159.40
  4. Step 4: Simplify right side
    1,376,029.80x = 1,670,141,171,025.18
  5. Step 5: Solve for x
    x = 1,670,141,171,025.18/1,376,029.80
  6. Step 6: Final answer
    x = 1,213,739.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.