Home / 1,754,908.29-2,421,789.45-1,029,768.09

Finding the Fourth Proportional to 1,754,908.29, 2,421,789.45 and 1,029,768.09

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Solution

The fourth proportional to 1,754,908.29, 2,421,789.45 and 1,029,768.09 is: 1,421,089.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,908.29 : 2,421,789.45 = 1,029,768.09 : x
  2. Step 2: Convert to fraction form
    1,754,908.29/2,421,789.45 = 1,029,768.09/x
  3. Step 3: Cross multiply
    1,754,908.29x = 2,421,789.45 × 1,029,768.09
  4. Step 4: Simplify right side
    1,754,908.29x = 2,493,881,496,308.65
  5. Step 5: Solve for x
    x = 2,493,881,496,308.65/1,754,908.29
  6. Step 6: Final answer
    x = 1,421,089.36

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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.