Home / 1,381,357-2,072,152.86-384,085

Finding the Fourth Proportional to 1,381,357, 2,072,152.86 and 384,085

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Solution

The fourth proportional to 1,381,357, 2,072,152.86 and 384,085 is: 576,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,357 : 2,072,152.86 = 384,085 : x
  2. Step 2: Convert to fraction form
    1,381,357/2,072,152.86 = 384,085/x
  3. Step 3: Cross multiply
    1,381,357x = 2,072,152.86 × 384,085
  4. Step 4: Simplify right side
    1,381,357x = 795,882,831,233.10
  5. Step 5: Solve for x
    x = 795,882,831,233.10/1,381,357
  6. Step 6: Final answer
    x = 576,160.13

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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.