Home / 991,052.10-1,486,578.15-816,092.10

Finding the Fourth Proportional to 991,052.10, 1,486,578.15 and 816,092.10

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Solution

The fourth proportional to 991,052.10, 1,486,578.15 and 816,092.10 is: 1,224,138.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,052.10 : 1,486,578.15 = 816,092.10 : x
  2. Step 2: Convert to fraction form
    991,052.10/1,486,578.15 = 816,092.10/x
  3. Step 3: Cross multiply
    991,052.10x = 1,486,578.15 × 816,092.10
  4. Step 4: Simplify right side
    991,052.10x = 1,213,184,684,247.62
  5. Step 5: Solve for x
    x = 1,213,184,684,247.62/991,052.10
  6. Step 6: Final answer
    x = 1,224,138.15

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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.