Home / 1,588,021.38-2,380,692.63-688,785.78

Finding the Fourth Proportional to 1,588,021.38, 2,380,692.63 and 688,785.78

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Solution

The fourth proportional to 1,588,021.38, 2,380,692.63 and 688,785.78 is: 1,032,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,021.38 : 2,380,692.63 = 688,785.78 : x
  2. Step 2: Convert to fraction form
    1,588,021.38/2,380,692.63 = 688,785.78/x
  3. Step 3: Cross multiply
    1,588,021.38x = 2,380,692.63 × 688,785.78
  4. Step 4: Simplify right side
    1,588,021.38x = 1,639,787,230,094.80
  5. Step 5: Solve for x
    x = 1,639,787,230,094.80/1,588,021.38
  6. Step 6: Final answer
    x = 1,032,597.70

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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.