Home / 1,381,406.25-2,072,441.18-528,463.94

Finding the Fourth Proportional to 1,381,406.25, 2,072,441.18 and 528,463.94

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Solution

The fourth proportional to 1,381,406.25, 2,072,441.18 and 528,463.94 is: 792,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,406.25 : 2,072,441.18 = 528,463.94 : x
  2. Step 2: Convert to fraction form
    1,381,406.25/2,072,441.18 = 528,463.94/x
  3. Step 3: Cross multiply
    1,381,406.25x = 2,072,441.18 × 528,463.94
  4. Step 4: Simplify right side
    1,381,406.25x = 1,095,210,433,939.83
  5. Step 5: Solve for x
    x = 1,095,210,433,939.83/1,381,406.25
  6. Step 6: Final answer
    x = 792,822.85

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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.