Home / 1,217,250.51-1,679,855.16-673,376.92

Finding the Fourth Proportional to 1,217,250.51, 1,679,855.16 and 673,376.92

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Solution

The fourth proportional to 1,217,250.51, 1,679,855.16 and 673,376.92 is: 929,287.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,250.51 : 1,679,855.16 = 673,376.92 : x
  2. Step 2: Convert to fraction form
    1,217,250.51/1,679,855.16 = 673,376.92/x
  3. Step 3: Cross multiply
    1,217,250.51x = 1,679,855.16 × 673,376.92
  4. Step 4: Simplify right side
    1,217,250.51x = 1,131,175,693,686.91
  5. Step 5: Solve for x
    x = 1,131,175,693,686.91/1,217,250.51
  6. Step 6: Final answer
    x = 929,287.51

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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.