Home / 1,107,445.50-1,660,033.44-840,641.22

Finding the Fourth Proportional to 1,107,445.50, 1,660,033.44 and 840,641.22

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Solution

The fourth proportional to 1,107,445.50, 1,660,033.44 and 840,641.22 is: 1,260,100.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,445.50 : 1,660,033.44 = 840,641.22 : x
  2. Step 2: Convert to fraction form
    1,107,445.50/1,660,033.44 = 840,641.22/x
  3. Step 3: Cross multiply
    1,107,445.50x = 1,660,033.44 × 840,641.22
  4. Step 4: Simplify right side
    1,107,445.50x = 1,395,492,536,242.40
  5. Step 5: Solve for x
    x = 1,395,492,536,242.40/1,107,445.50
  6. Step 6: Final answer
    x = 1,260,100.42

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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.