Home / 1,637,144.80-2,456,050.56-690,519.04

Finding the Fourth Proportional to 1,637,144.80, 2,456,050.56 and 690,519.04

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Solution

The fourth proportional to 1,637,144.80, 2,456,050.56 and 690,519.04 is: 1,035,919.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,144.80 : 2,456,050.56 = 690,519.04 : x
  2. Step 2: Convert to fraction form
    1,637,144.80/2,456,050.56 = 690,519.04/x
  3. Step 3: Cross multiply
    1,637,144.80x = 2,456,050.56 × 690,519.04
  4. Step 4: Simplify right side
    1,637,144.80x = 1,695,949,674,882.66
  5. Step 5: Solve for x
    x = 1,695,949,674,882.66/1,637,144.80
  6. Step 6: Final answer
    x = 1,035,919.17

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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.