Home / 1,236,666.30-1,854,999.45-987,834.30

Finding the Fourth Proportional to 1,236,666.30, 1,854,999.45 and 987,834.30

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Solution

The fourth proportional to 1,236,666.30, 1,854,999.45 and 987,834.30 is: 1,481,751.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,666.30 : 1,854,999.45 = 987,834.30 : x
  2. Step 2: Convert to fraction form
    1,236,666.30/1,854,999.45 = 987,834.30/x
  3. Step 3: Cross multiply
    1,236,666.30x = 1,854,999.45 × 987,834.30
  4. Step 4: Simplify right side
    1,236,666.30x = 1,832,432,083,191.14
  5. Step 5: Solve for x
    x = 1,832,432,083,191.14/1,236,666.30
  6. Step 6: Final answer
    x = 1,481,751.45

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Similar ratio
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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.