Home / 1,536,099.20-2,305,898.40-905,368.40

Finding the Fourth Proportional to 1,536,099.20, 2,305,898.40 and 905,368.40

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Solution

The fourth proportional to 1,536,099.20, 2,305,898.40 and 905,368.40 is: 1,359,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,099.20 : 2,305,898.40 = 905,368.40 : x
  2. Step 2: Convert to fraction form
    1,536,099.20/2,305,898.40 = 905,368.40/x
  3. Step 3: Cross multiply
    1,536,099.20x = 2,305,898.40 × 905,368.40
  4. Step 4: Simplify right side
    1,536,099.20x = 2,087,687,544,970.56
  5. Step 5: Solve for x
    x = 2,087,687,544,970.56/1,536,099.20
  6. Step 6: Final answer
    x = 1,359,083.80

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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.