Home / 1,217,665.33-1,679,003.04-910,758.15

Finding the Fourth Proportional to 1,217,665.33, 1,679,003.04 and 910,758.15

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Solution

The fourth proportional to 1,217,665.33, 1,679,003.04 and 910,758.15 is: 1,255,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,665.33 : 1,679,003.04 = 910,758.15 : x
  2. Step 2: Convert to fraction form
    1,217,665.33/1,679,003.04 = 910,758.15/x
  3. Step 3: Cross multiply
    1,217,665.33x = 1,679,003.04 × 910,758.15
  4. Step 4: Simplify right side
    1,217,665.33x = 1,529,165,702,554.78
  5. Step 5: Solve for x
    x = 1,529,165,702,554.78/1,217,665.33
  6. Step 6: Final answer
    x = 1,255,817.72

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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.