Home / 1,001,162.28-1,492,813.08-889,887.72

Finding the Fourth Proportional to 1,001,162.28, 1,492,813.08 and 889,887.72

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Solution

The fourth proportional to 1,001,162.28, 1,492,813.08 and 889,887.72 is: 1,326,893.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,162.28 : 1,492,813.08 = 889,887.72 : x
  2. Step 2: Convert to fraction form
    1,001,162.28/1,492,813.08 = 889,887.72/x
  3. Step 3: Cross multiply
    1,001,162.28x = 1,492,813.08 × 889,887.72
  4. Step 4: Simplify right side
    1,001,162.28x = 1,328,436,028,147.38
  5. Step 5: Solve for x
    x = 1,328,436,028,147.38/1,001,162.28
  6. Step 6: Final answer
    x = 1,326,893.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.