Home / 1,444,677.40-2,164,683.30-911,243.80

Finding the Fourth Proportional to 1,444,677.40, 2,164,683.30 and 911,243.80

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Solution

The fourth proportional to 1,444,677.40, 2,164,683.30 and 911,243.80 is: 1,365,394.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,677.40 : 2,164,683.30 = 911,243.80 : x
  2. Step 2: Convert to fraction form
    1,444,677.40/2,164,683.30 = 911,243.80/x
  3. Step 3: Cross multiply
    1,444,677.40x = 2,164,683.30 × 911,243.80
  4. Step 4: Simplify right side
    1,444,677.40x = 1,972,554,236,088.54
  5. Step 5: Solve for x
    x = 1,972,554,236,088.54/1,444,677.40
  6. Step 6: Final answer
    x = 1,365,394.26

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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.