Home / 1,142,441.13-1,711,977.03-636,304.89

Finding the Fourth Proportional to 1,142,441.13, 1,711,977.03 and 636,304.89

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Solution

The fourth proportional to 1,142,441.13, 1,711,977.03 and 636,304.89 is: 953,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,441.13 : 1,711,977.03 = 636,304.89 : x
  2. Step 2: Convert to fraction form
    1,142,441.13/1,711,977.03 = 636,304.89/x
  3. Step 3: Cross multiply
    1,142,441.13x = 1,711,977.03 × 636,304.89
  4. Step 4: Simplify right side
    1,142,441.13x = 1,089,339,355,756.68
  5. Step 5: Solve for x
    x = 1,089,339,355,756.68/1,142,441.13
  6. Step 6: Final answer
    x = 953,519.03

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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.