Home / 1,231,409.79-1,847,176.92-472,985.37

Finding the Fourth Proportional to 1,231,409.79, 1,847,176.92 and 472,985.37

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Solution

The fourth proportional to 1,231,409.79, 1,847,176.92 and 472,985.37 is: 709,501.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,409.79 : 1,847,176.92 = 472,985.37 : x
  2. Step 2: Convert to fraction form
    1,231,409.79/1,847,176.92 = 472,985.37/x
  3. Step 3: Cross multiply
    1,231,409.79x = 1,847,176.92 × 472,985.37
  4. Step 4: Simplify right side
    1,231,409.79x = 873,687,658,961.66
  5. Step 5: Solve for x
    x = 873,687,658,961.66/1,231,409.79
  6. Step 6: Final answer
    x = 709,501.96

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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.