Home / 1,357,469.69-1,873,634.42-777,029.29

Finding the Fourth Proportional to 1,357,469.69, 1,873,634.42 and 777,029.29

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Solution

The fourth proportional to 1,357,469.69, 1,873,634.42 and 777,029.29 is: 1,072,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,469.69 : 1,873,634.42 = 777,029.29 : x
  2. Step 2: Convert to fraction form
    1,357,469.69/1,873,634.42 = 777,029.29/x
  3. Step 3: Cross multiply
    1,357,469.69x = 1,873,634.42 × 777,029.29
  4. Step 4: Simplify right side
    1,357,469.69x = 1,455,868,820,350.65
  5. Step 5: Solve for x
    x = 1,455,868,820,350.65/1,357,469.69
  6. Step 6: Final answer
    x = 1,072,487.17

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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.