Home / 1,103,636.80-1,653,268.20-972,125.20

Finding the Fourth Proportional to 1,103,636.80, 1,653,268.20 and 972,125.20

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Solution

The fourth proportional to 1,103,636.80, 1,653,268.20 and 972,125.20 is: 1,456,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,636.80 : 1,653,268.20 = 972,125.20 : x
  2. Step 2: Convert to fraction form
    1,103,636.80/1,653,268.20 = 972,125.20/x
  3. Step 3: Cross multiply
    1,103,636.80x = 1,653,268.20 × 972,125.20
  4. Step 4: Simplify right side
    1,103,636.80x = 1,607,183,679,578.64
  5. Step 5: Solve for x
    x = 1,607,183,679,578.64/1,103,636.80
  6. Step 6: Final answer
    x = 1,456,261.41

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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.