Home / 1,381,356-2,072,151.36-384,084

Finding the Fourth Proportional to 1,381,356, 2,072,151.36 and 384,084

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Solution

The fourth proportional to 1,381,356, 2,072,151.36 and 384,084 is: 576,158.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,356 : 2,072,151.36 = 384,084 : x
  2. Step 2: Convert to fraction form
    1,381,356/2,072,151.36 = 384,084/x
  3. Step 3: Cross multiply
    1,381,356x = 2,072,151.36 × 384,084
  4. Step 4: Simplify right side
    1,381,356x = 795,880,182,954.24
  5. Step 5: Solve for x
    x = 795,880,182,954.24/1,381,356
  6. Step 6: Final answer
    x = 576,158.63

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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.