Home / 1,099,164.78-1,648,755.96-425,323.08

Finding the Fourth Proportional to 1,099,164.78, 1,648,755.96 and 425,323.08

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Solution

The fourth proportional to 1,099,164.78, 1,648,755.96 and 425,323.08 is: 637,988.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,164.78 : 1,648,755.96 = 425,323.08 : x
  2. Step 2: Convert to fraction form
    1,099,164.78/1,648,755.96 = 425,323.08/x
  3. Step 3: Cross multiply
    1,099,164.78x = 1,648,755.96 × 425,323.08
  4. Step 4: Simplify right side
    1,099,164.78x = 701,253,963,075.56
  5. Step 5: Solve for x
    x = 701,253,963,075.56/1,099,164.78
  6. Step 6: Final answer
    x = 637,988.02

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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.