Home / 1,186,228.26-1,778,974.38-427,971.16

Finding the Fourth Proportional to 1,186,228.26, 1,778,974.38 and 427,971.16

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Solution

The fourth proportional to 1,186,228.26, 1,778,974.38 and 427,971.16 is: 641,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,228.26 : 1,778,974.38 = 427,971.16 : x
  2. Step 2: Convert to fraction form
    1,186,228.26/1,778,974.38 = 427,971.16/x
  3. Step 3: Cross multiply
    1,186,228.26x = 1,778,974.38 × 427,971.16
  4. Step 4: Simplify right side
    1,186,228.26x = 761,349,729,018.88
  5. Step 5: Solve for x
    x = 761,349,729,018.88/1,186,228.26
  6. Step 6: Final answer
    x = 641,823.97

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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.