Home / 1,201,555.62-1,802,315.93-302,991.30

Finding the Fourth Proportional to 1,201,555.62, 1,802,315.93 and 302,991.30

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Solution

The fourth proportional to 1,201,555.62, 1,802,315.93 and 302,991.30 is: 454,482.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,555.62 : 1,802,315.93 = 302,991.30 : x
  2. Step 2: Convert to fraction form
    1,201,555.62/1,802,315.93 = 302,991.30/x
  3. Step 3: Cross multiply
    1,201,555.62x = 1,802,315.93 × 302,991.30
  4. Step 4: Simplify right side
    1,201,555.62x = 546,086,045,126.45
  5. Step 5: Solve for x
    x = 546,086,045,126.45/1,201,555.62
  6. Step 6: Final answer
    x = 454,482.54

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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.