Home / 1,151,993.38-1,728,761.51-478,075.30

Finding the Fourth Proportional to 1,151,993.38, 1,728,761.51 and 478,075.30

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Solution

The fourth proportional to 1,151,993.38, 1,728,761.51 and 478,075.30 is: 717,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,993.38 : 1,728,761.51 = 478,075.30 : x
  2. Step 2: Convert to fraction form
    1,151,993.38/1,728,761.51 = 478,075.30/x
  3. Step 3: Cross multiply
    1,151,993.38x = 1,728,761.51 × 478,075.30
  4. Step 4: Simplify right side
    1,151,993.38x = 826,478,177,521.70
  5. Step 5: Solve for x
    x = 826,478,177,521.70/1,151,993.38
  6. Step 6: Final answer
    x = 717,433.10

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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.