Home / 1,186,233.60-1,778,982.40-427,976.50

Finding the Fourth Proportional to 1,186,233.60, 1,778,982.40 and 427,976.50

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Solution

The fourth proportional to 1,186,233.60, 1,778,982.40 and 427,976.50 is: 641,831.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,233.60 : 1,778,982.40 = 427,976.50 : x
  2. Step 2: Convert to fraction form
    1,186,233.60/1,778,982.40 = 427,976.50/x
  3. Step 3: Cross multiply
    1,186,233.60x = 1,778,982.40 × 427,976.50
  4. Step 4: Simplify right side
    1,186,233.60x = 761,362,661,113.60
  5. Step 5: Solve for x
    x = 761,362,661,113.60/1,186,233.60
  6. Step 6: Final answer
    x = 641,831.98

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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.