Home / 1,799,692.70-2,699,541.81-720,691.16

Finding the Fourth Proportional to 1,799,692.70, 2,699,541.81 and 720,691.16

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Solution

The fourth proportional to 1,799,692.70, 2,699,541.81 and 720,691.16 is: 1,081,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,692.70 : 2,699,541.81 = 720,691.16 : x
  2. Step 2: Convert to fraction form
    1,799,692.70/2,699,541.81 = 720,691.16/x
  3. Step 3: Cross multiply
    1,799,692.70x = 2,699,541.81 × 720,691.16
  4. Step 4: Simplify right side
    1,799,692.70x = 1,945,535,905,019.69
  5. Step 5: Solve for x
    x = 1,945,535,905,019.69/1,799,692.70
  6. Step 6: Final answer
    x = 1,081,037.84

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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.