Home / 1,186,362.23-1,637,209.89-727,729.70

Finding the Fourth Proportional to 1,186,362.23, 1,637,209.89 and 727,729.70

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Solution

The fourth proportional to 1,186,362.23, 1,637,209.89 and 727,729.70 is: 1,004,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,362.23 : 1,637,209.89 = 727,729.70 : x
  2. Step 2: Convert to fraction form
    1,186,362.23/1,637,209.89 = 727,729.70/x
  3. Step 3: Cross multiply
    1,186,362.23x = 1,637,209.89 × 727,729.70
  4. Step 4: Simplify right side
    1,186,362.23x = 1,191,446,253,900.68
  5. Step 5: Solve for x
    x = 1,191,446,253,900.68/1,186,362.23
  6. Step 6: Final answer
    x = 1,004,285.39

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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.