Home / 1,008,155.80-1,512,233.70-634,907.80

Finding the Fourth Proportional to 1,008,155.80, 1,512,233.70 and 634,907.80

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Solution

The fourth proportional to 1,008,155.80, 1,512,233.70 and 634,907.80 is: 952,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,155.80 : 1,512,233.70 = 634,907.80 : x
  2. Step 2: Convert to fraction form
    1,008,155.80/1,512,233.70 = 634,907.80/x
  3. Step 3: Cross multiply
    1,008,155.80x = 1,512,233.70 × 634,907.80
  4. Step 4: Simplify right side
    1,008,155.80x = 960,128,971,552.86
  5. Step 5: Solve for x
    x = 960,128,971,552.86/1,008,155.80
  6. Step 6: Final answer
    x = 952,361.70

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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.