Home / 1,230,285.40-1,843,872.90-1,096,538.20

Finding the Fourth Proportional to 1,230,285.40, 1,843,872.90 and 1,096,538.20

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Solution

The fourth proportional to 1,230,285.40, 1,843,872.90 and 1,096,538.20 is: 1,643,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,285.40 : 1,843,872.90 = 1,096,538.20 : x
  2. Step 2: Convert to fraction form
    1,230,285.40/1,843,872.90 = 1,096,538.20/x
  3. Step 3: Cross multiply
    1,230,285.40x = 1,843,872.90 × 1,096,538.20
  4. Step 4: Simplify right side
    1,230,285.40x = 2,021,877,070,794.78
  5. Step 5: Solve for x
    x = 2,021,877,070,794.78/1,230,285.40
  6. Step 6: Final answer
    x = 1,643,421.17

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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.