Home / 1,368,411.60-2,052,951.20-964,391.28

Finding the Fourth Proportional to 1,368,411.60, 2,052,951.20 and 964,391.28

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Solution

The fourth proportional to 1,368,411.60, 2,052,951.20 and 964,391.28 is: 1,446,822.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,411.60 : 2,052,951.20 = 964,391.28 : x
  2. Step 2: Convert to fraction form
    1,368,411.60/2,052,951.20 = 964,391.28/x
  3. Step 3: Cross multiply
    1,368,411.60x = 2,052,951.20 × 964,391.28
  4. Step 4: Simplify right side
    1,368,411.60x = 1,979,848,235,545.54
  5. Step 5: Solve for x
    x = 1,979,848,235,545.54/1,368,411.60
  6. Step 6: Final answer
    x = 1,446,822.17

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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.