Home / 1,350,490.65-1,863,926.42-867,659.37

Finding the Fourth Proportional to 1,350,490.65, 1,863,926.42 and 867,659.37

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Solution

The fourth proportional to 1,350,490.65, 1,863,926.42 and 867,659.37 is: 1,197,530.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,490.65 : 1,863,926.42 = 867,659.37 : x
  2. Step 2: Convert to fraction form
    1,350,490.65/1,863,926.42 = 867,659.37/x
  3. Step 3: Cross multiply
    1,350,490.65x = 1,863,926.42 × 867,659.37
  4. Step 4: Simplify right side
    1,350,490.65x = 1,617,253,218,965.26
  5. Step 5: Solve for x
    x = 1,617,253,218,965.26/1,350,490.65
  6. Step 6: Final answer
    x = 1,197,530.11

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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.