Home / 1,108,161.78-1,662,153.78-492,856.22

Finding the Fourth Proportional to 1,108,161.78, 1,662,153.78 and 492,856.22

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Solution

The fourth proportional to 1,108,161.78, 1,662,153.78 and 492,856.22 is: 739,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,161.78 : 1,662,153.78 = 492,856.22 : x
  2. Step 2: Convert to fraction form
    1,108,161.78/1,662,153.78 = 492,856.22/x
  3. Step 3: Cross multiply
    1,108,161.78x = 1,662,153.78 × 492,856.22
  4. Step 4: Simplify right side
    1,108,161.78x = 819,202,829,069.51
  5. Step 5: Solve for x
    x = 819,202,829,069.51/1,108,161.78
  6. Step 6: Final answer
    x = 739,244.80

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Double scale
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1.5x scale

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.