Home / 1,019,302.38-1,525,626.70-749,359.05

Finding the Fourth Proportional to 1,019,302.38, 1,525,626.70 and 749,359.05

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Solution

The fourth proportional to 1,019,302.38, 1,525,626.70 and 749,359.05 is: 1,121,592.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,302.38 : 1,525,626.70 = 749,359.05 : x
  2. Step 2: Convert to fraction form
    1,019,302.38/1,525,626.70 = 749,359.05/x
  3. Step 3: Cross multiply
    1,019,302.38x = 1,525,626.70 × 749,359.05
  4. Step 4: Simplify right side
    1,019,302.38x = 1,143,242,166,972.14
  5. Step 5: Solve for x
    x = 1,143,242,166,972.14/1,019,302.38
  6. Step 6: Final answer
    x = 1,121,592.76

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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.