Home / 1,685,988.32-2,529,812.85-787,299.44

Finding the Fourth Proportional to 1,685,988.32, 2,529,812.85 and 787,299.44

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Solution

The fourth proportional to 1,685,988.32, 2,529,812.85 and 787,299.44 is: 1,181,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,988.32 : 2,529,812.85 = 787,299.44 : x
  2. Step 2: Convert to fraction form
    1,685,988.32/2,529,812.85 = 787,299.44/x
  3. Step 3: Cross multiply
    1,685,988.32x = 2,529,812.85 × 787,299.44
  4. Step 4: Simplify right side
    1,685,988.32x = 1,991,720,248,402.58
  5. Step 5: Solve for x
    x = 1,991,720,248,402.58/1,685,988.32
  6. Step 6: Final answer
    x = 1,181,336.92

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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.