Home / 1,143,283.09-1,715,588.94-512,196.90

Finding the Fourth Proportional to 1,143,283.09, 1,715,588.94 and 512,196.90

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Solution

The fourth proportional to 1,143,283.09, 1,715,588.94 and 512,196.90 is: 768,592.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,283.09 : 1,715,588.94 = 512,196.90 : x
  2. Step 2: Convert to fraction form
    1,143,283.09/1,715,588.94 = 512,196.90/x
  3. Step 3: Cross multiply
    1,143,283.09x = 1,715,588.94 × 512,196.90
  4. Step 4: Simplify right side
    1,143,283.09x = 878,719,341,031.26
  5. Step 5: Solve for x
    x = 878,719,341,031.26/1,143,283.09
  6. Step 6: Final answer
    x = 768,592.97

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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.