Home / 1,239,707.62-1,858,712.46-631,318.24

Finding the Fourth Proportional to 1,239,707.62, 1,858,712.46 and 631,318.24

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Solution

The fourth proportional to 1,239,707.62, 1,858,712.46 and 631,318.24 is: 946,545.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,707.62 : 1,858,712.46 = 631,318.24 : x
  2. Step 2: Convert to fraction form
    1,239,707.62/1,858,712.46 = 631,318.24/x
  3. Step 3: Cross multiply
    1,239,707.62x = 1,858,712.46 × 631,318.24
  4. Step 4: Simplify right side
    1,239,707.62x = 1,173,439,078,913.27
  5. Step 5: Solve for x
    x = 1,173,439,078,913.27/1,239,707.62
  6. Step 6: Final answer
    x = 946,545.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.