Home / 1,384,170.74-1,910,160.91-772,349.29

Finding the Fourth Proportional to 1,384,170.74, 1,910,160.91 and 772,349.29

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Solution

The fourth proportional to 1,384,170.74, 1,910,160.91 and 772,349.29 is: 1,065,844.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,170.74 : 1,910,160.91 = 772,349.29 : x
  2. Step 2: Convert to fraction form
    1,384,170.74/1,910,160.91 = 772,349.29/x
  3. Step 3: Cross multiply
    1,384,170.74x = 1,910,160.91 × 772,349.29
  4. Step 4: Simplify right side
    1,384,170.74x = 1,475,311,426,662.63
  5. Step 5: Solve for x
    x = 1,475,311,426,662.63/1,384,170.74
  6. Step 6: Final answer
    x = 1,065,844.97

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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.