Home / 1,118,782.62-1,678,215.50-360,635.03

Finding the Fourth Proportional to 1,118,782.62, 1,678,215.50 and 360,635.03

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Solution

The fourth proportional to 1,118,782.62, 1,678,215.50 and 360,635.03 is: 540,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,782.62 : 1,678,215.50 = 360,635.03 : x
  2. Step 2: Convert to fraction form
    1,118,782.62/1,678,215.50 = 360,635.03/x
  3. Step 3: Cross multiply
    1,118,782.62x = 1,678,215.50 × 360,635.03
  4. Step 4: Simplify right side
    1,118,782.62x = 605,223,294,640.40
  5. Step 5: Solve for x
    x = 605,223,294,640.40/1,118,782.62
  6. Step 6: Final answer
    x = 540,965.94

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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.