Home / 1,217,664.49-1,679,001.88-910,757.31

Finding the Fourth Proportional to 1,217,664.49, 1,679,001.88 and 910,757.31

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Solution

The fourth proportional to 1,217,664.49, 1,679,001.88 and 910,757.31 is: 1,255,816.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,664.49 : 1,679,001.88 = 910,757.31 : x
  2. Step 2: Convert to fraction form
    1,217,664.49/1,679,001.88 = 910,757.31/x
  3. Step 3: Cross multiply
    1,217,664.49x = 1,679,001.88 × 910,757.31
  4. Step 4: Simplify right side
    1,217,664.49x = 1,529,163,235,713.74
  5. Step 5: Solve for x
    x = 1,529,163,235,713.74/1,217,664.49
  6. Step 6: Final answer
    x = 1,255,816.56

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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.