Home / 1,201,888.80-1,802,603.16-360,439.20

Finding the Fourth Proportional to 1,201,888.80, 1,802,603.16 and 360,439.20

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Solution

The fourth proportional to 1,201,888.80, 1,802,603.16 and 360,439.20 is: 540,589.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,888.80 : 1,802,603.16 = 360,439.20 : x
  2. Step 2: Convert to fraction form
    1,201,888.80/1,802,603.16 = 360,439.20/x
  3. Step 3: Cross multiply
    1,201,888.80x = 1,802,603.16 × 360,439.20
  4. Step 4: Simplify right side
    1,201,888.80x = 649,728,840,907.87
  5. Step 5: Solve for x
    x = 649,728,840,907.87/1,201,888.80
  6. Step 6: Final answer
    x = 540,589.81

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1.5x scale

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.