Home / 1,618,085.10-2,427,808.05-869,256.30

Finding the Fourth Proportional to 1,618,085.10, 2,427,808.05 and 869,256.30

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Solution

The fourth proportional to 1,618,085.10, 2,427,808.05 and 869,256.30 is: 1,304,249.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,085.10 : 2,427,808.05 = 869,256.30 : x
  2. Step 2: Convert to fraction form
    1,618,085.10/2,427,808.05 = 869,256.30/x
  3. Step 3: Cross multiply
    1,618,085.10x = 2,427,808.05 × 869,256.30
  4. Step 4: Simplify right side
    1,618,085.10x = 2,110,387,442,653.22
  5. Step 5: Solve for x
    x = 2,110,387,442,653.22/1,618,085.10
  6. Step 6: Final answer
    x = 1,304,249.97

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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.